Home / 172,567,207.20-258,850,810.80-156,946,778.40

Finding the Fourth Proportional to 172,567,207.20, 258,850,810.80 and 156,946,778.40

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Solution

The fourth proportional to 172,567,207.20, 258,850,810.80 and 156,946,778.40 is: 235,420,167.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,567,207.20 : 258,850,810.80 = 156,946,778.40 : x
  2. Step 2: Convert to fraction form
    172,567,207.20/258,850,810.80 = 156,946,778.40/x
  3. Step 3: Cross multiply
    172,567,207.20x = 258,850,810.80 × 156,946,778.40
  4. Step 4: Simplify right side
    172,567,207.20x = 40,625,800,841,287,928
  5. Step 5: Solve for x
    x = 40,625,800,841,287,928/172,567,207.20
  6. Step 6: Final answer
    x = 235,420,167.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.