Home / 122,176.13-168,607.62-68,459.16

Finding the Fourth Proportional to 122,176.13, 168,607.62 and 68,459.16

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Solution

The fourth proportional to 122,176.13, 168,607.62 and 68,459.16 is: 94,476.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,176.13 : 168,607.62 = 68,459.16 : x
  2. Step 2: Convert to fraction form
    122,176.13/168,607.62 = 68,459.16/x
  3. Step 3: Cross multiply
    122,176.13x = 168,607.62 × 68,459.16
  4. Step 4: Simplify right side
    122,176.13x = 11,542,736,034.80
  5. Step 5: Solve for x
    x = 11,542,736,034.80/122,176.13
  6. Step 6: Final answer
    x = 94,476.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.