Home / 108,158.34-149,257.69-62,862.87

Finding the Fourth Proportional to 108,158.34, 149,257.69 and 62,862.87

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Solution

The fourth proportional to 108,158.34, 149,257.69 and 62,862.87 is: 86,750.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,158.34 : 149,257.69 = 62,862.87 : x
  2. Step 2: Convert to fraction form
    108,158.34/149,257.69 = 62,862.87/x
  3. Step 3: Cross multiply
    108,158.34x = 149,257.69 × 62,862.87
  4. Step 4: Simplify right side
    108,158.34x = 9,382,766,605.81
  5. Step 5: Solve for x
    x = 9,382,766,605.81/108,158.34
  6. Step 6: Final answer
    x = 86,750.28

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1.5x scale

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.