Home / 157,724.46-217,737.79-97,328.36

Finding the Fourth Proportional to 157,724.46, 217,737.79 and 97,328.36

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Solution

The fourth proportional to 157,724.46, 217,737.79 and 97,328.36 is: 134,361.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,724.46 : 217,737.79 = 97,328.36 : x
  2. Step 2: Convert to fraction form
    157,724.46/217,737.79 = 97,328.36/x
  3. Step 3: Cross multiply
    157,724.46x = 217,737.79 × 97,328.36
  4. Step 4: Simplify right side
    157,724.46x = 21,192,062,010.72
  5. Step 5: Solve for x
    x = 21,192,062,010.72/157,724.46
  6. Step 6: Final answer
    x = 134,361.29

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1.5x scale

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.