Home / 142,026.34-196,067.36-88,328.66

Finding the Fourth Proportional to 142,026.34, 196,067.36 and 88,328.66

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Solution

The fourth proportional to 142,026.34, 196,067.36 and 88,328.66 is: 121,937.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,026.34 : 196,067.36 = 88,328.66 : x
  2. Step 2: Convert to fraction form
    142,026.34/196,067.36 = 88,328.66/x
  3. Step 3: Cross multiply
    142,026.34x = 196,067.36 × 88,328.66
  4. Step 4: Simplify right side
    142,026.34x = 17,318,367,178.54
  5. Step 5: Solve for x
    x = 17,318,367,178.54/142,026.34
  6. Step 6: Final answer
    x = 121,937.71

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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.