Home / 153,103.79-229,680.32-53,292.35

Finding the Fourth Proportional to 153,103.79, 229,680.32 and 53,292.35

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Solution

The fourth proportional to 153,103.79, 229,680.32 and 53,292.35 is: 79,947.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,103.79 : 229,680.32 = 53,292.35 : x
  2. Step 2: Convert to fraction form
    153,103.79/229,680.32 = 53,292.35/x
  3. Step 3: Cross multiply
    153,103.79x = 229,680.32 × 53,292.35
  4. Step 4: Simplify right side
    153,103.79x = 12,240,204,001.55
  5. Step 5: Solve for x
    x = 12,240,204,001.55/153,103.79
  6. Step 6: Final answer
    x = 79,947.10

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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.