Home / 127,069.20-190,679.40-48,191.40

Finding the Fourth Proportional to 127,069.20, 190,679.40 and 48,191.40

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Solution

The fourth proportional to 127,069.20, 190,679.40 and 48,191.40 is: 72,315.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,069.20 : 190,679.40 = 48,191.40 : x
  2. Step 2: Convert to fraction form
    127,069.20/190,679.40 = 48,191.40/x
  3. Step 3: Cross multiply
    127,069.20x = 190,679.40 × 48,191.40
  4. Step 4: Simplify right side
    127,069.20x = 9,189,107,237.16
  5. Step 5: Solve for x
    x = 9,189,107,237.16/127,069.20
  6. Step 6: Final answer
    x = 72,315.77

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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.