Home / 168,419.72-252,655.50-56,061.40

Finding the Fourth Proportional to 168,419.72, 252,655.50 and 56,061.40

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Solution

The fourth proportional to 168,419.72, 252,655.50 and 56,061.40 is: 84,100.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,419.72 : 252,655.50 = 56,061.40 : x
  2. Step 2: Convert to fraction form
    168,419.72/252,655.50 = 56,061.40/x
  3. Step 3: Cross multiply
    168,419.72x = 252,655.50 × 56,061.40
  4. Step 4: Simplify right side
    168,419.72x = 14,164,221,047.70
  5. Step 5: Solve for x
    x = 14,164,221,047.70/168,419.72
  6. Step 6: Final answer
    x = 84,100.73

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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.