Home / 124,449.20-186,639.40-34,470.40

Finding the Fourth Proportional to 124,449.20, 186,639.40 and 34,470.40

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Solution

The fourth proportional to 124,449.20, 186,639.40 and 34,470.40 is: 51,696.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,449.20 : 186,639.40 = 34,470.40 : x
  2. Step 2: Convert to fraction form
    124,449.20/186,639.40 = 34,470.40/x
  3. Step 3: Cross multiply
    124,449.20x = 186,639.40 × 34,470.40
  4. Step 4: Simplify right side
    124,449.20x = 6,433,534,773.76
  5. Step 5: Solve for x
    x = 6,433,534,773.76/124,449.20
  6. Step 6: Final answer
    x = 51,696.07

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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.