Home / 127,458.60-191,182.30-38,710.12

Finding the Fourth Proportional to 127,458.60, 191,182.30 and 38,710.12

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Solution

The fourth proportional to 127,458.60, 191,182.30 and 38,710.12 is: 58,063.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,458.60 : 191,182.30 = 38,710.12 : x
  2. Step 2: Convert to fraction form
    127,458.60/191,182.30 = 38,710.12/x
  3. Step 3: Cross multiply
    127,458.60x = 191,182.30 × 38,710.12
  4. Step 4: Simplify right side
    127,458.60x = 7,400,689,774.88
  5. Step 5: Solve for x
    x = 7,400,689,774.88/127,458.60
  6. Step 6: Final answer
    x = 58,063.48

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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.