Home / 136,618.20-204,927.30-77,569.20

Finding the Fourth Proportional to 136,618.20, 204,927.30 and 77,569.20

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Solution

The fourth proportional to 136,618.20, 204,927.30 and 77,569.20 is: 116,353.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,618.20 : 204,927.30 = 77,569.20 : x
  2. Step 2: Convert to fraction form
    136,618.20/204,927.30 = 77,569.20/x
  3. Step 3: Cross multiply
    136,618.20x = 204,927.30 × 77,569.20
  4. Step 4: Simplify right side
    136,618.20x = 15,896,046,719.16
  5. Step 5: Solve for x
    x = 15,896,046,719.16/136,618.20
  6. Step 6: Final answer
    x = 116,353.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.