Home / 123,830.33-170,903.91-69,386.18

Finding the Fourth Proportional to 123,830.33, 170,903.91 and 69,386.18

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Solution

The fourth proportional to 123,830.33, 170,903.91 and 69,386.18 is: 95,763.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,830.33 : 170,903.91 = 69,386.18 : x
  2. Step 2: Convert to fraction form
    123,830.33/170,903.91 = 69,386.18/x
  3. Step 3: Cross multiply
    123,830.33x = 170,903.91 × 69,386.18
  4. Step 4: Simplify right side
    123,830.33x = 11,858,369,438.68
  5. Step 5: Solve for x
    x = 11,858,369,438.68/123,830.33
  6. Step 6: Final answer
    x = 95,763.04

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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.