Home / 127,426.38-191,020.19-43,127.52

Finding the Fourth Proportional to 127,426.38, 191,020.19 and 43,127.52

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Solution

The fourth proportional to 127,426.38, 191,020.19 and 43,127.52 is: 64,650.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,426.38 : 191,020.19 = 43,127.52 : x
  2. Step 2: Convert to fraction form
    127,426.38/191,020.19 = 43,127.52/x
  3. Step 3: Cross multiply
    127,426.38x = 191,020.19 × 43,127.52
  4. Step 4: Simplify right side
    127,426.38x = 8,238,226,848.99
  5. Step 5: Solve for x
    x = 8,238,226,848.99/127,426.38
  6. Step 6: Final answer
    x = 64,650.87

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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.