Home / 127,069.20-190,641.87-38,325.60

Finding the Fourth Proportional to 127,069.20, 190,641.87 and 38,325.60

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Solution

The fourth proportional to 127,069.20, 190,641.87 and 38,325.60 is: 57,499.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,069.20 : 190,641.87 = 38,325.60 : x
  2. Step 2: Convert to fraction form
    127,069.20/190,641.87 = 38,325.60/x
  3. Step 3: Cross multiply
    127,069.20x = 190,641.87 × 38,325.60
  4. Step 4: Simplify right side
    127,069.20x = 7,306,464,052.87
  5. Step 5: Solve for x
    x = 7,306,464,052.87/127,069.20
  6. Step 6: Final answer
    x = 57,499.88

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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.