Home / 126,650.32-190,320.12-67,527.76

Finding the Fourth Proportional to 126,650.32, 190,320.12 and 67,527.76

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Solution

The fourth proportional to 126,650.32, 190,320.12 and 67,527.76 is: 101,475.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,650.32 : 190,320.12 = 67,527.76 : x
  2. Step 2: Convert to fraction form
    126,650.32/190,320.12 = 67,527.76/x
  3. Step 3: Cross multiply
    126,650.32x = 190,320.12 × 67,527.76
  4. Step 4: Simplify right side
    126,650.32x = 12,851,891,386.53
  5. Step 5: Solve for x
    x = 12,851,891,386.53/126,650.32
  6. Step 6: Final answer
    x = 101,475.40

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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.