Home / 123,170.94-169,975.83-66,582.42

Finding the Fourth Proportional to 123,170.94, 169,975.83 and 66,582.42

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Solution

The fourth proportional to 123,170.94, 169,975.83 and 66,582.42 is: 91,883.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,170.94 : 169,975.83 = 66,582.42 : x
  2. Step 2: Convert to fraction form
    123,170.94/169,975.83 = 66,582.42/x
  3. Step 3: Cross multiply
    123,170.94x = 169,975.83 × 66,582.42
  4. Step 4: Simplify right side
    123,170.94x = 11,317,402,102.91
  5. Step 5: Solve for x
    x = 11,317,402,102.91/123,170.94
  6. Step 6: Final answer
    x = 91,883.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.