Home / 142,681.39-196,902.38-82,250.93

Finding the Fourth Proportional to 142,681.39, 196,902.38 and 82,250.93

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Solution

The fourth proportional to 142,681.39, 196,902.38 and 82,250.93 is: 113,507.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,681.39 : 196,902.38 = 82,250.93 : x
  2. Step 2: Convert to fraction form
    142,681.39/196,902.38 = 82,250.93/x
  3. Step 3: Cross multiply
    142,681.39x = 196,902.38 × 82,250.93
  4. Step 4: Simplify right side
    142,681.39x = 16,195,403,874.21
  5. Step 5: Solve for x
    x = 16,195,403,874.21/142,681.39
  6. Step 6: Final answer
    x = 113,507.47

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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.