Home / 161,606.46-243,382.13-143,119.02

Finding the Fourth Proportional to 161,606.46, 243,382.13 and 143,119.02

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Solution

The fourth proportional to 161,606.46, 243,382.13 and 143,119.02 is: 215,539.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,606.46 : 243,382.13 = 143,119.02 : x
  2. Step 2: Convert to fraction form
    161,606.46/243,382.13 = 143,119.02/x
  3. Step 3: Cross multiply
    161,606.46x = 243,382.13 × 143,119.02
  4. Step 4: Simplify right side
    161,606.46x = 34,832,611,215.52
  5. Step 5: Solve for x
    x = 34,832,611,215.52/161,606.46
  6. Step 6: Final answer
    x = 215,539.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.