Home / 103,616.10-142,990.02-58,294.14

Finding the Fourth Proportional to 103,616.10, 142,990.02 and 58,294.14

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Solution

The fourth proportional to 103,616.10, 142,990.02 and 58,294.14 is: 80,445.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,616.10 : 142,990.02 = 58,294.14 : x
  2. Step 2: Convert to fraction form
    103,616.10/142,990.02 = 58,294.14/x
  3. Step 3: Cross multiply
    103,616.10x = 142,990.02 × 58,294.14
  4. Step 4: Simplify right side
    103,616.10x = 8,335,480,244.48
  5. Step 5: Solve for x
    x = 8,335,480,244.48/103,616.10
  6. Step 6: Final answer
    x = 80,445.80

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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.