Home / 113,436.44-156,545.02-68,116.33

Finding the Fourth Proportional to 113,436.44, 156,545.02 and 68,116.33

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Solution

The fourth proportional to 113,436.44, 156,545.02 and 68,116.33 is: 94,002.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,436.44 : 156,545.02 = 68,116.33 : x
  2. Step 2: Convert to fraction form
    113,436.44/156,545.02 = 68,116.33/x
  3. Step 3: Cross multiply
    113,436.44x = 156,545.02 × 68,116.33
  4. Step 4: Simplify right side
    113,436.44x = 10,663,272,242.18
  5. Step 5: Solve for x
    x = 10,663,272,242.18/113,436.44
  6. Step 6: Final answer
    x = 94,002.18

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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.