Home / 178,728.12-266,754.78-175,775.76

Finding the Fourth Proportional to 178,728.12, 266,754.78 and 175,775.76

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Solution

The fourth proportional to 178,728.12, 266,754.78 and 175,775.76 is: 262,348.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,728.12 : 266,754.78 = 175,775.76 : x
  2. Step 2: Convert to fraction form
    178,728.12/266,754.78 = 175,775.76/x
  3. Step 3: Cross multiply
    178,728.12x = 266,754.78 × 175,775.76
  4. Step 4: Simplify right side
    178,728.12x = 46,889,024,188.13
  5. Step 5: Solve for x
    x = 46,889,024,188.13/178,728.12
  6. Step 6: Final answer
    x = 262,348.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.