Home / 261,587.07-392,417.46-84,034.53

Finding the Fourth Proportional to 261,587.07, 392,417.46 and 84,034.53

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Solution

The fourth proportional to 261,587.07, 392,417.46 and 84,034.53 is: 126,063.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,587.07 : 392,417.46 = 84,034.53 : x
  2. Step 2: Convert to fraction form
    261,587.07/392,417.46 = 84,034.53/x
  3. Step 3: Cross multiply
    261,587.07x = 392,417.46 × 84,034.53
  4. Step 4: Simplify right side
    261,587.07x = 32,976,616,814.89
  5. Step 5: Solve for x
    x = 32,976,616,814.89/261,587.07
  6. Step 6: Final answer
    x = 126,063.63

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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.