Home / 153,318.40-229,540.20-94,269.40

Finding the Fourth Proportional to 153,318.40, 229,540.20 and 94,269.40

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Solution

The fourth proportional to 153,318.40, 229,540.20 and 94,269.40 is: 141,135.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,318.40 : 229,540.20 = 94,269.40 : x
  2. Step 2: Convert to fraction form
    153,318.40/229,540.20 = 94,269.40/x
  3. Step 3: Cross multiply
    153,318.40x = 229,540.20 × 94,269.40
  4. Step 4: Simplify right side
    153,318.40x = 21,638,616,929.88
  5. Step 5: Solve for x
    x = 21,638,616,929.88/153,318.40
  6. Step 6: Final answer
    x = 141,135.16

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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.