Home / 123,368.38-170,248.44-69,653.50

Finding the Fourth Proportional to 123,368.38, 170,248.44 and 69,653.50

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Solution

The fourth proportional to 123,368.38, 170,248.44 and 69,653.50 is: 96,121.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,368.38 : 170,248.44 = 69,653.50 : x
  2. Step 2: Convert to fraction form
    123,368.38/170,248.44 = 69,653.50/x
  3. Step 3: Cross multiply
    123,368.38x = 170,248.44 × 69,653.50
  4. Step 4: Simplify right side
    123,368.38x = 11,858,399,715.54
  5. Step 5: Solve for x
    x = 11,858,399,715.54/123,368.38
  6. Step 6: Final answer
    x = 96,121.87

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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.