Home / 108,194.68-149,283.06-62,845.72

Finding the Fourth Proportional to 108,194.68, 149,283.06 and 62,845.72

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Solution

The fourth proportional to 108,194.68, 149,283.06 and 62,845.72 is: 86,712.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,194.68 : 149,283.06 = 62,845.72 : x
  2. Step 2: Convert to fraction form
    108,194.68/149,283.06 = 62,845.72/x
  3. Step 3: Cross multiply
    108,194.68x = 149,283.06 × 62,845.72
  4. Step 4: Simplify right side
    108,194.68x = 9,381,801,389.50
  5. Step 5: Solve for x
    x = 9,381,801,389.50/108,194.68
  6. Step 6: Final answer
    x = 86,712.22

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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.