Home / 153,102.72-229,530.16-47,867.52

Finding the Fourth Proportional to 153,102.72, 229,530.16 and 47,867.52

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Solution

The fourth proportional to 153,102.72, 229,530.16 and 47,867.52 is: 71,762.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,102.72 : 229,530.16 = 47,867.52 : x
  2. Step 2: Convert to fraction form
    153,102.72/229,530.16 = 47,867.52/x
  3. Step 3: Cross multiply
    153,102.72x = 229,530.16 × 47,867.52
  4. Step 4: Simplify right side
    153,102.72x = 10,987,039,524.40
  5. Step 5: Solve for x
    x = 10,987,039,524.40/153,102.72
  6. Step 6: Final answer
    x = 71,762.54

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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.