Home / 141,236.55-211,854.96-99,304.20

Finding the Fourth Proportional to 141,236.55, 211,854.96 and 99,304.20

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Solution

The fourth proportional to 141,236.55, 211,854.96 and 99,304.20 is: 148,956.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,236.55 : 211,854.96 = 99,304.20 : x
  2. Step 2: Convert to fraction form
    141,236.55/211,854.96 = 99,304.20/x
  3. Step 3: Cross multiply
    141,236.55x = 211,854.96 × 99,304.20
  4. Step 4: Simplify right side
    141,236.55x = 21,038,087,318.83
  5. Step 5: Solve for x
    x = 21,038,087,318.83/141,236.55
  6. Step 6: Final answer
    x = 148,956.39

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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.