Home / 261,518.76-392,192.28-83,983.77

Finding the Fourth Proportional to 261,518.76, 392,192.28 and 83,983.77

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Solution

The fourth proportional to 261,518.76, 392,192.28 and 83,983.77 is: 125,948.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,518.76 : 392,192.28 = 83,983.77 : x
  2. Step 2: Convert to fraction form
    261,518.76/392,192.28 = 83,983.77/x
  3. Step 3: Cross multiply
    261,518.76x = 392,192.28 × 83,983.77
  4. Step 4: Simplify right side
    261,518.76x = 32,937,786,239.30
  5. Step 5: Solve for x
    x = 32,937,786,239.30/261,518.76
  6. Step 6: Final answer
    x = 125,948.08

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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.