Home / 123,329.04-170,194.61-66,740.42

Finding the Fourth Proportional to 123,329.04, 170,194.61 and 66,740.42

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Solution

The fourth proportional to 123,329.04, 170,194.61 and 66,740.42 is: 92,102.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,329.04 : 170,194.61 = 66,740.42 : x
  2. Step 2: Convert to fraction form
    123,329.04/170,194.61 = 66,740.42/x
  3. Step 3: Cross multiply
    123,329.04x = 170,194.61 × 66,740.42
  4. Step 4: Simplify right side
    123,329.04x = 11,358,858,568.46
  5. Step 5: Solve for x
    x = 11,358,858,568.46/123,329.04
  6. Step 6: Final answer
    x = 92,102.06

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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.