Home / 124,584.40-186,876.60-121,668.40

Finding the Fourth Proportional to 124,584.40, 186,876.60 and 121,668.40

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Solution

The fourth proportional to 124,584.40, 186,876.60 and 121,668.40 is: 182,502.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,584.40 : 186,876.60 = 121,668.40 : x
  2. Step 2: Convert to fraction form
    124,584.40/186,876.60 = 121,668.40/x
  3. Step 3: Cross multiply
    124,584.40x = 186,876.60 × 121,668.40
  4. Step 4: Simplify right side
    124,584.40x = 22,736,976,919.44
  5. Step 5: Solve for x
    x = 22,736,976,919.44/124,584.40
  6. Step 6: Final answer
    x = 182,502.60

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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.