Home / 134,767.42-201,818.96-84,723.40

Finding the Fourth Proportional to 134,767.42, 201,818.96 and 84,723.40

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Solution

The fourth proportional to 134,767.42, 201,818.96 and 84,723.40 is: 126,876.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,767.42 : 201,818.96 = 84,723.40 : x
  2. Step 2: Convert to fraction form
    134,767.42/201,818.96 = 84,723.40/x
  3. Step 3: Cross multiply
    134,767.42x = 201,818.96 × 84,723.40
  4. Step 4: Simplify right side
    134,767.42x = 17,098,788,475.66
  5. Step 5: Solve for x
    x = 17,098,788,475.66/134,767.42
  6. Step 6: Final answer
    x = 126,876.28

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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.