Home / 124,204.20-186,330.60-53,126.70

Finding the Fourth Proportional to 124,204.20, 186,330.60 and 53,126.70

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Solution

The fourth proportional to 124,204.20, 186,330.60 and 53,126.70 is: 79,700.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,204.20 : 186,330.60 = 53,126.70 : x
  2. Step 2: Convert to fraction form
    124,204.20/186,330.60 = 53,126.70/x
  3. Step 3: Cross multiply
    124,204.20x = 186,330.60 × 53,126.70
  4. Step 4: Simplify right side
    124,204.20x = 9,899,129,887.02
  5. Step 5: Solve for x
    x = 9,899,129,887.02/124,204.20
  6. Step 6: Final answer
    x = 79,700.44

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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.