Home / 153,048.32-229,572.16-40,728.49

Finding the Fourth Proportional to 153,048.32, 229,572.16 and 40,728.49

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Solution

The fourth proportional to 153,048.32, 229,572.16 and 40,728.49 is: 61,092.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,048.32 : 229,572.16 = 40,728.49 : x
  2. Step 2: Convert to fraction form
    153,048.32/229,572.16 = 40,728.49/x
  3. Step 3: Cross multiply
    153,048.32x = 229,572.16 × 40,728.49
  4. Step 4: Simplify right side
    153,048.32x = 9,350,126,747.09
  5. Step 5: Solve for x
    x = 9,350,126,747.09/153,048.32
  6. Step 6: Final answer
    x = 61,092.65

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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.