Home / 153,867.65-230,902.40-54,025.28

Finding the Fourth Proportional to 153,867.65, 230,902.40 and 54,025.28

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Solution

The fourth proportional to 153,867.65, 230,902.40 and 54,025.28 is: 81,073.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,867.65 : 230,902.40 = 54,025.28 : x
  2. Step 2: Convert to fraction form
    153,867.65/230,902.40 = 54,025.28/x
  3. Step 3: Cross multiply
    153,867.65x = 230,902.40 × 54,025.28
  4. Step 4: Simplify right side
    153,867.65x = 12,474,565,388.03
  5. Step 5: Solve for x
    x = 12,474,565,388.03/153,867.65
  6. Step 6: Final answer
    x = 81,073.35

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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.