Home / 161,705.28-223,153.42-90,085.48

Finding the Fourth Proportional to 161,705.28, 223,153.42 and 90,085.48

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Solution

The fourth proportional to 161,705.28, 223,153.42 and 90,085.48 is: 124,318.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,705.28 : 223,153.42 = 90,085.48 : x
  2. Step 2: Convert to fraction form
    161,705.28/223,153.42 = 90,085.48/x
  3. Step 3: Cross multiply
    161,705.28x = 223,153.42 × 90,085.48
  4. Step 4: Simplify right side
    161,705.28x = 20,102,882,954.34
  5. Step 5: Solve for x
    x = 20,102,882,954.34/161,705.28
  6. Step 6: Final answer
    x = 124,318.04

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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.