Home / 124,459.20-171,262.08-112,536

Finding the Fourth Proportional to 124,459.20, 171,262.08 and 112,536

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Solution

The fourth proportional to 124,459.20, 171,262.08 and 112,536 is: 154,855.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,459.20 : 171,262.08 = 112,536 : x
  2. Step 2: Convert to fraction form
    124,459.20/171,262.08 = 112,536/x
  3. Step 3: Cross multiply
    124,459.20x = 171,262.08 × 112,536
  4. Step 4: Simplify right side
    124,459.20x = 19,273,149,434.88
  5. Step 5: Solve for x
    x = 19,273,149,434.88/124,459.20
  6. Step 6: Final answer
    x = 154,855.16

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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.