Home / 177,884.84-266,914.91-83,121.57

Finding the Fourth Proportional to 177,884.84, 266,914.91 and 83,121.57

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Solution

The fourth proportional to 177,884.84, 266,914.91 and 83,121.57 is: 124,723.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,884.84 : 266,914.91 = 83,121.57 : x
  2. Step 2: Convert to fraction form
    177,884.84/266,914.91 = 83,121.57/x
  3. Step 3: Cross multiply
    177,884.84x = 266,914.91 × 83,121.57
  4. Step 4: Simplify right side
    177,884.84x = 22,186,387,697.12
  5. Step 5: Solve for x
    x = 22,186,387,697.12/177,884.84
  6. Step 6: Final answer
    x = 124,723.32

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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.