Home / 127,518.24-191,284.16-38,764.92

Finding the Fourth Proportional to 127,518.24, 191,284.16 and 38,764.92

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Solution

The fourth proportional to 127,518.24, 191,284.16 and 38,764.92 is: 58,149.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,518.24 : 191,284.16 = 38,764.92 : x
  2. Step 2: Convert to fraction form
    127,518.24/191,284.16 = 38,764.92/x
  3. Step 3: Cross multiply
    127,518.24x = 191,284.16 × 38,764.92
  4. Step 4: Simplify right side
    127,518.24x = 7,415,115,159.67
  5. Step 5: Solve for x
    x = 7,415,115,159.67/127,518.24
  6. Step 6: Final answer
    x = 58,149.45

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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.