Home / 177,667.14-266,574.54-77,775.90

Finding the Fourth Proportional to 177,667.14, 266,574.54 and 77,775.90

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Solution

The fourth proportional to 177,667.14, 266,574.54 and 77,775.90 is: 116,696.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,667.14 : 266,574.54 = 77,775.90 : x
  2. Step 2: Convert to fraction form
    177,667.14/266,574.54 = 77,775.90/x
  3. Step 3: Cross multiply
    177,667.14x = 266,574.54 × 77,775.90
  4. Step 4: Simplify right side
    177,667.14x = 20,733,074,765.59
  5. Step 5: Solve for x
    x = 20,733,074,765.59/177,667.14
  6. Step 6: Final answer
    x = 116,696.17

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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.