Home / 127,848.91-191,742.60-39,103.18

Finding the Fourth Proportional to 127,848.91, 191,742.60 and 39,103.18

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Solution

The fourth proportional to 127,848.91, 191,742.60 and 39,103.18 is: 58,645.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,848.91 : 191,742.60 = 39,103.18 : x
  2. Step 2: Convert to fraction form
    127,848.91/191,742.60 = 39,103.18/x
  3. Step 3: Cross multiply
    127,848.91x = 191,742.60 × 39,103.18
  4. Step 4: Simplify right side
    127,848.91x = 7,497,745,401.47
  5. Step 5: Solve for x
    x = 7,497,745,401.47/127,848.91
  6. Step 6: Final answer
    x = 58,645.36

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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.