Home / 157,470.30-236,136.20-57,604.59

Finding the Fourth Proportional to 157,470.30, 236,136.20 and 57,604.59

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Solution

The fourth proportional to 157,470.30, 236,136.20 and 57,604.59 is: 86,381.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,470.30 : 236,136.20 = 57,604.59 : x
  2. Step 2: Convert to fraction form
    157,470.30/236,136.20 = 57,604.59/x
  3. Step 3: Cross multiply
    157,470.30x = 236,136.20 × 57,604.59
  4. Step 4: Simplify right side
    157,470.30x = 13,602,528,697.14
  5. Step 5: Solve for x
    x = 13,602,528,697.14/157,470.30
  6. Step 6: Final answer
    x = 86,381.55

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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.