Home / 155,793.60-233,763.30-80,998.20

Finding the Fourth Proportional to 155,793.60, 233,763.30 and 80,998.20

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Solution

The fourth proportional to 155,793.60, 233,763.30 and 80,998.20 is: 121,535.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,793.60 : 233,763.30 = 80,998.20 : x
  2. Step 2: Convert to fraction form
    155,793.60/233,763.30 = 80,998.20/x
  3. Step 3: Cross multiply
    155,793.60x = 233,763.30 × 80,998.20
  4. Step 4: Simplify right side
    155,793.60x = 18,934,406,526.06
  5. Step 5: Solve for x
    x = 18,934,406,526.06/155,793.60
  6. Step 6: Final answer
    x = 121,535.20

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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.