Home / 205,862.40-308,793.60-58,118.40

Finding the Fourth Proportional to 205,862.40, 308,793.60 and 58,118.40

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Solution

The fourth proportional to 205,862.40, 308,793.60 and 58,118.40 is: 87,177.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,862.40 : 308,793.60 = 58,118.40 : x
  2. Step 2: Convert to fraction form
    205,862.40/308,793.60 = 58,118.40/x
  3. Step 3: Cross multiply
    205,862.40x = 308,793.60 × 58,118.40
  4. Step 4: Simplify right side
    205,862.40x = 17,946,589,962.24
  5. Step 5: Solve for x
    x = 17,946,589,962.24/205,862.40
  6. Step 6: Final answer
    x = 87,177.60

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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.