Home / 127,190.55-190,785.69-48,304.65

Finding the Fourth Proportional to 127,190.55, 190,785.69 and 48,304.65

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Solution

The fourth proportional to 127,190.55, 190,785.69 and 48,304.65 is: 72,456.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,190.55 : 190,785.69 = 48,304.65 : x
  2. Step 2: Convert to fraction form
    127,190.55/190,785.69 = 48,304.65/x
  3. Step 3: Cross multiply
    127,190.55x = 190,785.69 × 48,304.65
  4. Step 4: Simplify right side
    127,190.55x = 9,215,835,980.46
  5. Step 5: Solve for x
    x = 9,215,835,980.46/127,190.55
  6. Step 6: Final answer
    x = 72,456.92

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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.