Home / 127,459.60-191,183.80-38,711.12

Finding the Fourth Proportional to 127,459.60, 191,183.80 and 38,711.12

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Solution

The fourth proportional to 127,459.60, 191,183.80 and 38,711.12 is: 58,064.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,459.60 : 191,183.80 = 38,711.12 : x
  2. Step 2: Convert to fraction form
    127,459.60/191,183.80 = 38,711.12/x
  3. Step 3: Cross multiply
    127,459.60x = 191,183.80 × 38,711.12
  4. Step 4: Simplify right side
    127,459.60x = 7,400,939,023.86
  5. Step 5: Solve for x
    x = 7,400,939,023.86/127,459.60
  6. Step 6: Final answer
    x = 58,064.98

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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.