Home / 161,801.76-223,236.95-93,805.17

Finding the Fourth Proportional to 161,801.76, 223,236.95 and 93,805.17

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Solution

The fourth proportional to 161,801.76, 223,236.95 and 93,805.17 is: 129,422.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,801.76 : 223,236.95 = 93,805.17 : x
  2. Step 2: Convert to fraction form
    161,801.76/223,236.95 = 93,805.17/x
  3. Step 3: Cross multiply
    161,801.76x = 223,236.95 × 93,805.17
  4. Step 4: Simplify right side
    161,801.76x = 20,940,778,738.87
  5. Step 5: Solve for x
    x = 20,940,778,738.87/161,801.76
  6. Step 6: Final answer
    x = 129,422.44

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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.