Home / 127,741.32-191,635.20-43,497.45

Finding the Fourth Proportional to 127,741.32, 191,635.20 and 43,497.45

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Solution

The fourth proportional to 127,741.32, 191,635.20 and 43,497.45 is: 65,254.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,741.32 : 191,635.20 = 43,497.45 : x
  2. Step 2: Convert to fraction form
    127,741.32/191,635.20 = 43,497.45/x
  3. Step 3: Cross multiply
    127,741.32x = 191,635.20 × 43,497.45
  4. Step 4: Simplify right side
    127,741.32x = 8,335,642,530.24
  5. Step 5: Solve for x
    x = 8,335,642,530.24/127,741.32
  6. Step 6: Final answer
    x = 65,254.08

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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.