Home / 177,746.76-266,620.41-71,178.71

Finding the Fourth Proportional to 177,746.76, 266,620.41 and 71,178.71

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Solution

The fourth proportional to 177,746.76, 266,620.41 and 71,178.71 is: 106,768.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,746.76 : 266,620.41 = 71,178.71 : x
  2. Step 2: Convert to fraction form
    177,746.76/266,620.41 = 71,178.71/x
  3. Step 3: Cross multiply
    177,746.76x = 266,620.41 × 71,178.71
  4. Step 4: Simplify right side
    177,746.76x = 18,977,695,510.37
  5. Step 5: Solve for x
    x = 18,977,695,510.37/177,746.76
  6. Step 6: Final answer
    x = 106,768.17

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1.5x scale

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.