Home / 127,425.16-191,238.86-68,304.52

Finding the Fourth Proportional to 127,425.16, 191,238.86 and 68,304.52

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Solution

The fourth proportional to 127,425.16, 191,238.86 and 68,304.52 is: 102,510.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,425.16 : 191,238.86 = 68,304.52 : x
  2. Step 2: Convert to fraction form
    127,425.16/191,238.86 = 68,304.52/x
  3. Step 3: Cross multiply
    127,425.16x = 191,238.86 × 68,304.52
  4. Step 4: Simplify right side
    127,425.16x = 13,062,478,537.65
  5. Step 5: Solve for x
    x = 13,062,478,537.65/127,425.16
  6. Step 6: Final answer
    x = 102,510.98

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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.