Home / 239,124.71-329,981.46-137,077.01

Finding the Fourth Proportional to 239,124.71, 329,981.46 and 137,077.01

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Solution

The fourth proportional to 239,124.71, 329,981.46 and 137,077.01 is: 189,160.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,124.71 : 329,981.46 = 137,077.01 : x
  2. Step 2: Convert to fraction form
    239,124.71/329,981.46 = 137,077.01/x
  3. Step 3: Cross multiply
    239,124.71x = 329,981.46 × 137,077.01
  4. Step 4: Simplify right side
    239,124.71x = 45,232,871,892.23
  5. Step 5: Solve for x
    x = 45,232,871,892.23/239,124.71
  6. Step 6: Final answer
    x = 189,160.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.