Home / 161,934.93-223,460.10-89,338.76

Finding the Fourth Proportional to 161,934.93, 223,460.10 and 89,338.76

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Solution

The fourth proportional to 161,934.93, 223,460.10 and 89,338.76 is: 123,281.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,934.93 : 223,460.10 = 89,338.76 : x
  2. Step 2: Convert to fraction form
    161,934.93/223,460.10 = 89,338.76/x
  3. Step 3: Cross multiply
    161,934.93x = 223,460.10 × 89,338.76
  4. Step 4: Simplify right side
    161,934.93x = 19,963,647,126.18
  5. Step 5: Solve for x
    x = 19,963,647,126.18/161,934.93
  6. Step 6: Final answer
    x = 123,281.91

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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.