Home / 117,217.19-161,759.52-63,503.57

Finding the Fourth Proportional to 117,217.19, 161,759.52 and 63,503.57

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Solution

The fourth proportional to 117,217.19, 161,759.52 and 63,503.57 is: 87,634.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,217.19 : 161,759.52 = 63,503.57 : x
  2. Step 2: Convert to fraction form
    117,217.19/161,759.52 = 63,503.57/x
  3. Step 3: Cross multiply
    117,217.19x = 161,759.52 × 63,503.57
  4. Step 4: Simplify right side
    117,217.19x = 10,272,306,192.69
  5. Step 5: Solve for x
    x = 10,272,306,192.69/117,217.19
  6. Step 6: Final answer
    x = 87,634.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.