Home / 131,322.60-196,983.90-89,332.20

Finding the Fourth Proportional to 131,322.60, 196,983.90 and 89,332.20

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Solution

The fourth proportional to 131,322.60, 196,983.90 and 89,332.20 is: 133,998.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,322.60 : 196,983.90 = 89,332.20 : x
  2. Step 2: Convert to fraction form
    131,322.60/196,983.90 = 89,332.20/x
  3. Step 3: Cross multiply
    131,322.60x = 196,983.90 × 89,332.20
  4. Step 4: Simplify right side
    131,322.60x = 17,597,005,151.58
  5. Step 5: Solve for x
    x = 17,597,005,151.58/131,322.60
  6. Step 6: Final answer
    x = 133,998.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.