Home / 155,678.20-233,517.45-43,358.65

Finding the Fourth Proportional to 155,678.20, 233,517.45 and 43,358.65

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Solution

The fourth proportional to 155,678.20, 233,517.45 and 43,358.65 is: 65,038.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,678.20 : 233,517.45 = 43,358.65 : x
  2. Step 2: Convert to fraction form
    155,678.20/233,517.45 = 43,358.65/x
  3. Step 3: Cross multiply
    155,678.20x = 233,517.45 × 43,358.65
  4. Step 4: Simplify right side
    155,678.20x = 10,125,001,383.44
  5. Step 5: Solve for x
    x = 10,125,001,383.44/155,678.20
  6. Step 6: Final answer
    x = 65,038.02

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1.5x scale

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.