Home / 124,180.08-171,568.92-86,622

Finding the Fourth Proportional to 124,180.08, 171,568.92 and 86,622

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Solution

The fourth proportional to 124,180.08, 171,568.92 and 86,622 is: 119,678.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,180.08 : 171,568.92 = 86,622 : x
  2. Step 2: Convert to fraction form
    124,180.08/171,568.92 = 86,622/x
  3. Step 3: Cross multiply
    124,180.08x = 171,568.92 × 86,622
  4. Step 4: Simplify right side
    124,180.08x = 14,861,642,988.24
  5. Step 5: Solve for x
    x = 14,861,642,988.24/124,180.08
  6. Step 6: Final answer
    x = 119,678.16

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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.