Home / 156,238.02-234,368.04-77,331.06

Finding the Fourth Proportional to 156,238.02, 234,368.04 and 77,331.06

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Solution

The fourth proportional to 156,238.02, 234,368.04 and 77,331.06 is: 116,002.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,238.02 : 234,368.04 = 77,331.06 : x
  2. Step 2: Convert to fraction form
    156,238.02/234,368.04 = 77,331.06/x
  3. Step 3: Cross multiply
    156,238.02x = 234,368.04 × 77,331.06
  4. Step 4: Simplify right side
    156,238.02x = 18,123,928,963.32
  5. Step 5: Solve for x
    x = 18,123,928,963.32/156,238.02
  6. Step 6: Final answer
    x = 116,002.04

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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.