Home / 127,332.20-191,036.70-68,196.20

Finding the Fourth Proportional to 127,332.20, 191,036.70 and 68,196.20

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Solution

The fourth proportional to 127,332.20, 191,036.70 and 68,196.20 is: 102,314.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,332.20 : 191,036.70 = 68,196.20 : x
  2. Step 2: Convert to fraction form
    127,332.20/191,036.70 = 68,196.20/x
  3. Step 3: Cross multiply
    127,332.20x = 191,036.70 × 68,196.20
  4. Step 4: Simplify right side
    127,332.20x = 13,027,977,000.54
  5. Step 5: Solve for x
    x = 13,027,977,000.54/127,332.20
  6. Step 6: Final answer
    x = 102,314.87

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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.