Home / 157,668.72-236,543.13-45,346.56

Finding the Fourth Proportional to 157,668.72, 236,543.13 and 45,346.56

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Solution

The fourth proportional to 157,668.72, 236,543.13 and 45,346.56 is: 68,031.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,668.72 : 236,543.13 = 45,346.56 : x
  2. Step 2: Convert to fraction form
    157,668.72/236,543.13 = 45,346.56/x
  3. Step 3: Cross multiply
    157,668.72x = 236,543.13 × 45,346.56
  4. Step 4: Simplify right side
    157,668.72x = 10,726,417,237.13
  5. Step 5: Solve for x
    x = 10,726,417,237.13/157,668.72
  6. Step 6: Final answer
    x = 68,031.36

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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.