Home / 103,636.31-154,646.17-92,466.20

Finding the Fourth Proportional to 103,636.31, 154,646.17 and 92,466.20

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Solution

The fourth proportional to 103,636.31, 154,646.17 and 92,466.20 is: 137,978.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,636.31 : 154,646.17 = 92,466.20 : x
  2. Step 2: Convert to fraction form
    103,636.31/154,646.17 = 92,466.20/x
  3. Step 3: Cross multiply
    103,636.31x = 154,646.17 × 92,466.20
  4. Step 4: Simplify right side
    103,636.31x = 14,299,543,839.90
  5. Step 5: Solve for x
    x = 14,299,543,839.90/103,636.31
  6. Step 6: Final answer
    x = 137,978.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.