Home / 157,713.81-236,569.50-39,384.36

Finding the Fourth Proportional to 157,713.81, 236,569.50 and 39,384.36

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Solution

The fourth proportional to 157,713.81, 236,569.50 and 39,384.36 is: 59,076.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,713.81 : 236,569.50 = 39,384.36 : x
  2. Step 2: Convert to fraction form
    157,713.81/236,569.50 = 39,384.36/x
  3. Step 3: Cross multiply
    157,713.81x = 236,569.50 × 39,384.36
  4. Step 4: Simplify right side
    157,713.81x = 9,317,138,353.02
  5. Step 5: Solve for x
    x = 9,317,138,353.02/157,713.81
  6. Step 6: Final answer
    x = 59,076.24

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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.