Home / 131,854.20-197,761.02-43,108.20

Finding the Fourth Proportional to 131,854.20, 197,761.02 and 43,108.20

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Solution

The fourth proportional to 131,854.20, 197,761.02 and 43,108.20 is: 64,655.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,854.20 : 197,761.02 = 43,108.20 : x
  2. Step 2: Convert to fraction form
    131,854.20/197,761.02 = 43,108.20/x
  3. Step 3: Cross multiply
    131,854.20x = 197,761.02 × 43,108.20
  4. Step 4: Simplify right side
    131,854.20x = 8,525,121,602.36
  5. Step 5: Solve for x
    x = 8,525,121,602.36/131,854.20
  6. Step 6: Final answer
    x = 64,655.67

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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.