Home / 153,257.06-229,886.58-53,419.15

Finding the Fourth Proportional to 153,257.06, 229,886.58 and 53,419.15

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Solution

The fourth proportional to 153,257.06, 229,886.58 and 53,419.15 is: 80,129.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,257.06 : 229,886.58 = 53,419.15 : x
  2. Step 2: Convert to fraction form
    153,257.06/229,886.58 = 53,419.15/x
  3. Step 3: Cross multiply
    153,257.06x = 229,886.58 × 53,419.15
  4. Step 4: Simplify right side
    153,257.06x = 12,280,344,744.33
  5. Step 5: Solve for x
    x = 12,280,344,744.33/153,257.06
  6. Step 6: Final answer
    x = 80,129.06

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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.