Home / 131,681.06-197,632.20-56,857.76

Finding the Fourth Proportional to 131,681.06, 197,632.20 and 56,857.76

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Solution

The fourth proportional to 131,681.06, 197,632.20 and 56,857.76 is: 85,334.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,681.06 : 197,632.20 = 56,857.76 : x
  2. Step 2: Convert to fraction form
    131,681.06/197,632.20 = 56,857.76/x
  3. Step 3: Cross multiply
    131,681.06x = 197,632.20 × 56,857.76
  4. Step 4: Simplify right side
    131,681.06x = 11,236,924,195.87
  5. Step 5: Solve for x
    x = 11,236,924,195.87/131,681.06
  6. Step 6: Final answer
    x = 85,334.40

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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.