Home / 195,821.60-293,732.40-185,712.80

Finding the Fourth Proportional to 195,821.60, 293,732.40 and 185,712.80

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Solution

The fourth proportional to 195,821.60, 293,732.40 and 185,712.80 is: 278,569.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,821.60 : 293,732.40 = 185,712.80 : x
  2. Step 2: Convert to fraction form
    195,821.60/293,732.40 = 185,712.80/x
  3. Step 3: Cross multiply
    195,821.60x = 293,732.40 × 185,712.80
  4. Step 4: Simplify right side
    195,821.60x = 54,549,866,454.72
  5. Step 5: Solve for x
    x = 54,549,866,454.72/195,821.60
  6. Step 6: Final answer
    x = 278,569.20

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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.