Home / 157,397.65-236,234.98-82,571.27

Finding the Fourth Proportional to 157,397.65, 236,234.98 and 82,571.27

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Solution

The fourth proportional to 157,397.65, 236,234.98 and 82,571.27 is: 123,929.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,397.65 : 236,234.98 = 82,571.27 : x
  2. Step 2: Convert to fraction form
    157,397.65/236,234.98 = 82,571.27/x
  3. Step 3: Cross multiply
    157,397.65x = 236,234.98 × 82,571.27
  4. Step 4: Simplify right side
    157,397.65x = 19,506,221,239.06
  5. Step 5: Solve for x
    x = 19,506,221,239.06/157,397.65
  6. Step 6: Final answer
    x = 123,929.56

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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.