Home / 127,428.30-191,093.85-38,652.30

Finding the Fourth Proportional to 127,428.30, 191,093.85 and 38,652.30

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Solution

The fourth proportional to 127,428.30, 191,093.85 and 38,652.30 is: 57,963.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,428.30 : 191,093.85 = 38,652.30 : x
  2. Step 2: Convert to fraction form
    127,428.30/191,093.85 = 38,652.30/x
  3. Step 3: Cross multiply
    127,428.30x = 191,093.85 × 38,652.30
  4. Step 4: Simplify right side
    127,428.30x = 7,386,216,818.36
  5. Step 5: Solve for x
    x = 7,386,216,818.36/127,428.30
  6. Step 6: Final answer
    x = 57,963.71

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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.