Home / 122,510.48-183,519.68-82,652.40

Finding the Fourth Proportional to 122,510.48, 183,519.68 and 82,652.40

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Solution

The fourth proportional to 122,510.48, 183,519.68 and 82,652.40 is: 123,812.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,510.48 : 183,519.68 = 82,652.40 : x
  2. Step 2: Convert to fraction form
    122,510.48/183,519.68 = 82,652.40/x
  3. Step 3: Cross multiply
    122,510.48x = 183,519.68 × 82,652.40
  4. Step 4: Simplify right side
    122,510.48x = 15,168,341,585.97
  5. Step 5: Solve for x
    x = 15,168,341,585.97/122,510.48
  6. Step 6: Final answer
    x = 123,812.61

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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.