Home / 156,700.40-235,050.60-51,522.80

Finding the Fourth Proportional to 156,700.40, 235,050.60 and 51,522.80

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Solution

The fourth proportional to 156,700.40, 235,050.60 and 51,522.80 is: 77,284.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,700.40 : 235,050.60 = 51,522.80 : x
  2. Step 2: Convert to fraction form
    156,700.40/235,050.60 = 51,522.80/x
  3. Step 3: Cross multiply
    156,700.40x = 235,050.60 × 51,522.80
  4. Step 4: Simplify right side
    156,700.40x = 12,110,465,053.68
  5. Step 5: Solve for x
    x = 12,110,465,053.68/156,700.40
  6. Step 6: Final answer
    x = 77,284.20

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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.