Home / 153,117.12-229,564.80-47,879.04

Finding the Fourth Proportional to 153,117.12, 229,564.80 and 47,879.04

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Solution

The fourth proportional to 153,117.12, 229,564.80 and 47,879.04 is: 71,783.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,117.12 : 229,564.80 = 47,879.04 : x
  2. Step 2: Convert to fraction form
    153,117.12/229,564.80 = 47,879.04/x
  3. Step 3: Cross multiply
    153,117.12x = 229,564.80 × 47,879.04
  4. Step 4: Simplify right side
    153,117.12x = 10,991,342,241.79
  5. Step 5: Solve for x
    x = 10,991,342,241.79/153,117.12
  6. Step 6: Final answer
    x = 71,783.89

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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.