Home / 153,010.38-229,515.31-40,690.65

Finding the Fourth Proportional to 153,010.38, 229,515.31 and 40,690.65

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Solution

The fourth proportional to 153,010.38, 229,515.31 and 40,690.65 is: 61,035.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,010.38 : 229,515.31 = 40,690.65 : x
  2. Step 2: Convert to fraction form
    153,010.38/229,515.31 = 40,690.65/x
  3. Step 3: Cross multiply
    153,010.38x = 229,515.31 × 40,690.65
  4. Step 4: Simplify right side
    153,010.38x = 9,339,127,148.85
  5. Step 5: Solve for x
    x = 9,339,127,148.85/153,010.38
  6. Step 6: Final answer
    x = 61,035.91

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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.