Home / 186,742.40-280,113.60-62,067.20

Finding the Fourth Proportional to 186,742.40, 280,113.60 and 62,067.20

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Solution

The fourth proportional to 186,742.40, 280,113.60 and 62,067.20 is: 93,100.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,742.40 : 280,113.60 = 62,067.20 : x
  2. Step 2: Convert to fraction form
    186,742.40/280,113.60 = 62,067.20/x
  3. Step 3: Cross multiply
    186,742.40x = 280,113.60 × 62,067.20
  4. Step 4: Simplify right side
    186,742.40x = 17,385,866,833.92
  5. Step 5: Solve for x
    x = 17,385,866,833.92/186,742.40
  6. Step 6: Final answer
    x = 93,100.80

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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.