Home / 130,877.04-196,334.12-42,109.92

Finding the Fourth Proportional to 130,877.04, 196,334.12 and 42,109.92

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Solution

The fourth proportional to 130,877.04, 196,334.12 and 42,109.92 is: 63,170.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,877.04 : 196,334.12 = 42,109.92 : x
  2. Step 2: Convert to fraction form
    130,877.04/196,334.12 = 42,109.92/x
  3. Step 3: Cross multiply
    130,877.04x = 196,334.12 × 42,109.92
  4. Step 4: Simplify right side
    130,877.04x = 8,267,614,086.47
  5. Step 5: Solve for x
    x = 8,267,614,086.47/130,877.04
  6. Step 6: Final answer
    x = 63,170.85

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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.