Home / 161,701.84-223,175.11-90,104.93

Finding the Fourth Proportional to 161,701.84, 223,175.11 and 90,104.93

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Solution

The fourth proportional to 161,701.84, 223,175.11 and 90,104.93 is: 124,359.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,701.84 : 223,175.11 = 90,104.93 : x
  2. Step 2: Convert to fraction form
    161,701.84/223,175.11 = 90,104.93/x
  3. Step 3: Cross multiply
    161,701.84x = 223,175.11 × 90,104.93
  4. Step 4: Simplify right side
    161,701.84x = 20,109,177,664.29
  5. Step 5: Solve for x
    x = 20,109,177,664.29/161,701.84
  6. Step 6: Final answer
    x = 124,359.61

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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.