Home / 124,330.20-186,276.60-102,022.80

Finding the Fourth Proportional to 124,330.20, 186,276.60 and 102,022.80

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Solution

The fourth proportional to 124,330.20, 186,276.60 and 102,022.80 is: 152,854.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,330.20 : 186,276.60 = 102,022.80 : x
  2. Step 2: Convert to fraction form
    124,330.20/186,276.60 = 102,022.80/x
  3. Step 3: Cross multiply
    124,330.20x = 186,276.60 × 102,022.80
  4. Step 4: Simplify right side
    124,330.20x = 19,004,460,306.48
  5. Step 5: Solve for x
    x = 19,004,460,306.48/124,330.20
  6. Step 6: Final answer
    x = 152,854.74

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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.