Home / 156,985.40-235,478.10-93,999.80

Finding the Fourth Proportional to 156,985.40, 235,478.10 and 93,999.80

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Solution

The fourth proportional to 156,985.40, 235,478.10 and 93,999.80 is: 140,999.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,985.40 : 235,478.10 = 93,999.80 : x
  2. Step 2: Convert to fraction form
    156,985.40/235,478.10 = 93,999.80/x
  3. Step 3: Cross multiply
    156,985.40x = 235,478.10 × 93,999.80
  4. Step 4: Simplify right side
    156,985.40x = 22,134,894,304.38
  5. Step 5: Solve for x
    x = 22,134,894,304.38/156,985.40
  6. Step 6: Final answer
    x = 140,999.70

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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.