Home / 127,655.92-191,483.76-34,159.20

Finding the Fourth Proportional to 127,655.92, 191,483.76 and 34,159.20

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Solution

The fourth proportional to 127,655.92, 191,483.76 and 34,159.20 is: 51,238.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,655.92 : 191,483.76 = 34,159.20 : x
  2. Step 2: Convert to fraction form
    127,655.92/191,483.76 = 34,159.20/x
  3. Step 3: Cross multiply
    127,655.92x = 191,483.76 × 34,159.20
  4. Step 4: Simplify right side
    127,655.92x = 6,540,932,054.59
  5. Step 5: Solve for x
    x = 6,540,932,054.59/127,655.92
  6. Step 6: Final answer
    x = 51,238.77

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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.