Home / 153,090.72-229,512.16-47,855.52

Finding the Fourth Proportional to 153,090.72, 229,512.16 and 47,855.52

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Solution

The fourth proportional to 153,090.72, 229,512.16 and 47,855.52 is: 71,744.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,090.72 : 229,512.16 = 47,855.52 : x
  2. Step 2: Convert to fraction form
    153,090.72/229,512.16 = 47,855.52/x
  3. Step 3: Cross multiply
    153,090.72x = 229,512.16 × 47,855.52
  4. Step 4: Simplify right side
    153,090.72x = 10,983,423,763.12
  5. Step 5: Solve for x
    x = 10,983,423,763.12/153,090.72
  6. Step 6: Final answer
    x = 71,744.54

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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.