Home / 117,882.19-162,367.51-90,606.11

Finding the Fourth Proportional to 117,882.19, 162,367.51 and 90,606.11

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Solution

The fourth proportional to 117,882.19, 162,367.51 and 90,606.11 is: 124,798.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,882.19 : 162,367.51 = 90,606.11 : x
  2. Step 2: Convert to fraction form
    117,882.19/162,367.51 = 90,606.11/x
  3. Step 3: Cross multiply
    117,882.19x = 162,367.51 × 90,606.11
  4. Step 4: Simplify right side
    117,882.19x = 14,711,488,018.46
  5. Step 5: Solve for x
    x = 14,711,488,018.46/117,882.19
  6. Step 6: Final answer
    x = 124,798.23

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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.