Home / 127,246.30-190,820.85-38,470.30

Finding the Fourth Proportional to 127,246.30, 190,820.85 and 38,470.30

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Solution

The fourth proportional to 127,246.30, 190,820.85 and 38,470.30 is: 57,690.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,246.30 : 190,820.85 = 38,470.30 : x
  2. Step 2: Convert to fraction form
    127,246.30/190,820.85 = 38,470.30/x
  3. Step 3: Cross multiply
    127,246.30x = 190,820.85 × 38,470.30
  4. Step 4: Simplify right side
    127,246.30x = 7,340,935,345.76
  5. Step 5: Solve for x
    x = 7,340,935,345.76/127,246.30
  6. Step 6: Final answer
    x = 57,690.76

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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.