Home / 240,159.86-331,391.88-132,715.29

Finding the Fourth Proportional to 240,159.86, 331,391.88 and 132,715.29

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Solution

The fourth proportional to 240,159.86, 331,391.88 and 132,715.29 is: 183,131.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,159.86 : 331,391.88 = 132,715.29 : x
  2. Step 2: Convert to fraction form
    240,159.86/331,391.88 = 132,715.29/x
  3. Step 3: Cross multiply
    240,159.86x = 331,391.88 × 132,715.29
  4. Step 4: Simplify right side
    240,159.86x = 43,980,769,457.85
  5. Step 5: Solve for x
    x = 43,980,769,457.85/240,159.86
  6. Step 6: Final answer
    x = 183,131.23

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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.