Home / 157,792.29-217,727.94-89,810.43

Finding the Fourth Proportional to 157,792.29, 217,727.94 and 89,810.43

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Solution

The fourth proportional to 157,792.29, 217,727.94 and 89,810.43 is: 123,923.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,792.29 : 217,727.94 = 89,810.43 : x
  2. Step 2: Convert to fraction form
    157,792.29/217,727.94 = 89,810.43/x
  3. Step 3: Cross multiply
    157,792.29x = 217,727.94 × 89,810.43
  4. Step 4: Simplify right side
    157,792.29x = 19,554,239,914.41
  5. Step 5: Solve for x
    x = 19,554,239,914.41/157,792.29
  6. Step 6: Final answer
    x = 123,923.93

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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.