Home / 127,410.32-191,110.61-38,660.24

Finding the Fourth Proportional to 127,410.32, 191,110.61 and 38,660.24

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Solution

The fourth proportional to 127,410.32, 191,110.61 and 38,660.24 is: 57,988.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,410.32 : 191,110.61 = 38,660.24 : x
  2. Step 2: Convert to fraction form
    127,410.32/191,110.61 = 38,660.24/x
  3. Step 3: Cross multiply
    127,410.32x = 191,110.61 × 38,660.24
  4. Step 4: Simplify right side
    127,410.32x = 7,388,381,548.58
  5. Step 5: Solve for x
    x = 7,388,381,548.58/127,410.32
  6. Step 6: Final answer
    x = 57,988.88

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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.