Home / 177,995.04-267,084.66-78,225.18

Finding the Fourth Proportional to 177,995.04, 267,084.66 and 78,225.18

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Solution

The fourth proportional to 177,995.04, 267,084.66 and 78,225.18 is: 117,378.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,995.04 : 267,084.66 = 78,225.18 : x
  2. Step 2: Convert to fraction form
    177,995.04/267,084.66 = 78,225.18/x
  3. Step 3: Cross multiply
    177,995.04x = 267,084.66 × 78,225.18
  4. Step 4: Simplify right side
    177,995.04x = 20,892,745,603.74
  5. Step 5: Solve for x
    x = 20,892,745,603.74/177,995.04
  6. Step 6: Final answer
    x = 117,378.25

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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.