Home / 153,219.76-229,830.62-53,381.82

Finding the Fourth Proportional to 153,219.76, 229,830.62 and 53,381.82

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Solution

The fourth proportional to 153,219.76, 229,830.62 and 53,381.82 is: 80,073.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,219.76 : 229,830.62 = 53,381.82 : x
  2. Step 2: Convert to fraction form
    153,219.76/229,830.62 = 53,381.82/x
  3. Step 3: Cross multiply
    153,219.76x = 229,830.62 × 53,381.82
  4. Step 4: Simplify right side
    153,219.76x = 12,268,775,371.27
  5. Step 5: Solve for x
    x = 12,268,775,371.27/153,219.76
  6. Step 6: Final answer
    x = 80,073.06

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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.