Home / 153,255.47-229,988.90-53,416.49

Finding the Fourth Proportional to 153,255.47, 229,988.90 and 53,416.49

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Solution

The fourth proportional to 153,255.47, 229,988.90 and 53,416.49 is: 80,161.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,255.47 : 229,988.90 = 53,416.49 : x
  2. Step 2: Convert to fraction form
    153,255.47/229,988.90 = 53,416.49/x
  3. Step 3: Cross multiply
    153,255.47x = 229,988.90 × 53,416.49
  4. Step 4: Simplify right side
    153,255.47x = 12,285,198,760.56
  5. Step 5: Solve for x
    x = 12,285,198,760.56/153,255.47
  6. Step 6: Final answer
    x = 80,161.57

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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.