Home / 143,158.88-197,527.44-86,569.04

Finding the Fourth Proportional to 143,158.88, 197,527.44 and 86,569.04

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Solution

The fourth proportional to 143,158.88, 197,527.44 and 86,569.04 is: 119,446.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,158.88 : 197,527.44 = 86,569.04 : x
  2. Step 2: Convert to fraction form
    143,158.88/197,527.44 = 86,569.04/x
  3. Step 3: Cross multiply
    143,158.88x = 197,527.44 × 86,569.04
  4. Step 4: Simplify right side
    143,158.88x = 17,099,760,854.46
  5. Step 5: Solve for x
    x = 17,099,760,854.46/143,158.88
  6. Step 6: Final answer
    x = 119,446.04

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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.