Home / 177,836.18-266,894.33-78,065.24

Finding the Fourth Proportional to 177,836.18, 266,894.33 and 78,065.24

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Solution

The fourth proportional to 177,836.18, 266,894.33 and 78,065.24 is: 117,159.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,836.18 : 266,894.33 = 78,065.24 : x
  2. Step 2: Convert to fraction form
    177,836.18/266,894.33 = 78,065.24/x
  3. Step 3: Cross multiply
    177,836.18x = 266,894.33 × 78,065.24
  4. Step 4: Simplify right side
    177,836.18x = 20,835,168,201.29
  5. Step 5: Solve for x
    x = 20,835,168,201.29/177,836.18
  6. Step 6: Final answer
    x = 117,159.34

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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.