Home / 126,649.32-190,318.62-67,526.76

Finding the Fourth Proportional to 126,649.32, 190,318.62 and 67,526.76

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Solution

The fourth proportional to 126,649.32, 190,318.62 and 67,526.76 is: 101,473.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,649.32 : 190,318.62 = 67,526.76 : x
  2. Step 2: Convert to fraction form
    126,649.32/190,318.62 = 67,526.76/x
  3. Step 3: Cross multiply
    126,649.32x = 190,318.62 × 67,526.76
  4. Step 4: Simplify right side
    126,649.32x = 12,851,599,776.27
  5. Step 5: Solve for x
    x = 12,851,599,776.27/126,649.32
  6. Step 6: Final answer
    x = 101,473.89

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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.