Home / 177,428.92-266,189.58-88,678.84

Finding the Fourth Proportional to 177,428.92, 266,189.58 and 88,678.84

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Solution

The fourth proportional to 177,428.92, 266,189.58 and 88,678.84 is: 133,041.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,428.92 : 266,189.58 = 88,678.84 : x
  2. Step 2: Convert to fraction form
    177,428.92/266,189.58 = 88,678.84/x
  3. Step 3: Cross multiply
    177,428.92x = 266,189.58 × 88,678.84
  4. Step 4: Simplify right side
    177,428.92x = 23,605,383,174.49
  5. Step 5: Solve for x
    x = 23,605,383,174.49/177,428.92
  6. Step 6: Final answer
    x = 133,041.35

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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.