Home / 108,193.19-149,280.99-62,844.21

Finding the Fourth Proportional to 108,193.19, 149,280.99 and 62,844.21

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Solution

The fourth proportional to 108,193.19, 149,280.99 and 62,844.21 is: 86,710.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,193.19 : 149,280.99 = 62,844.21 : x
  2. Step 2: Convert to fraction form
    108,193.19/149,280.99 = 62,844.21/x
  3. Step 3: Cross multiply
    108,193.19x = 149,280.99 × 62,844.21
  4. Step 4: Simplify right side
    108,193.19x = 9,381,445,884.57
  5. Step 5: Solve for x
    x = 9,381,445,884.57/108,193.19
  6. Step 6: Final answer
    x = 86,710.14

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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.