Home / 156,772.20-234,812.70-136,036.20

Finding the Fourth Proportional to 156,772.20, 234,812.70 and 136,036.20

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Solution

The fourth proportional to 156,772.20, 234,812.70 and 136,036.20 is: 203,754.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,772.20 : 234,812.70 = 136,036.20 : x
  2. Step 2: Convert to fraction form
    156,772.20/234,812.70 = 136,036.20/x
  3. Step 3: Cross multiply
    156,772.20x = 234,812.70 × 136,036.20
  4. Step 4: Simplify right side
    156,772.20x = 31,943,027,419.74
  5. Step 5: Solve for x
    x = 31,943,027,419.74/156,772.20
  6. Step 6: Final answer
    x = 203,754.41

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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.