Home / 177,923.04-266,975.07-78,057.33

Finding the Fourth Proportional to 177,923.04, 266,975.07 and 78,057.33

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Solution

The fourth proportional to 177,923.04, 266,975.07 and 78,057.33 is: 117,125.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,923.04 : 266,975.07 = 78,057.33 : x
  2. Step 2: Convert to fraction form
    177,923.04/266,975.07 = 78,057.33/x
  3. Step 3: Cross multiply
    177,923.04x = 266,975.07 × 78,057.33
  4. Step 4: Simplify right side
    177,923.04x = 20,839,361,140.76
  5. Step 5: Solve for x
    x = 20,839,361,140.76/177,923.04
  6. Step 6: Final answer
    x = 117,125.70

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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.