Home / 136,177.40-204,266.10-66,193.40

Finding the Fourth Proportional to 136,177.40, 204,266.10 and 66,193.40

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Solution

The fourth proportional to 136,177.40, 204,266.10 and 66,193.40 is: 99,290.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,177.40 : 204,266.10 = 66,193.40 : x
  2. Step 2: Convert to fraction form
    136,177.40/204,266.10 = 66,193.40/x
  3. Step 3: Cross multiply
    136,177.40x = 204,266.10 × 66,193.40
  4. Step 4: Simplify right side
    136,177.40x = 13,521,067,663.74
  5. Step 5: Solve for x
    x = 13,521,067,663.74/136,177.40
  6. Step 6: Final answer
    x = 99,290.10

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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.