Home / 170,833.40-256,027.80-69,513.35

Finding the Fourth Proportional to 170,833.40, 256,027.80 and 69,513.35

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Solution

The fourth proportional to 170,833.40, 256,027.80 and 69,513.35 is: 104,179.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,833.40 : 256,027.80 = 69,513.35 : x
  2. Step 2: Convert to fraction form
    170,833.40/256,027.80 = 69,513.35/x
  3. Step 3: Cross multiply
    170,833.40x = 256,027.80 × 69,513.35
  4. Step 4: Simplify right side
    170,833.40x = 17,797,350,071.13
  5. Step 5: Solve for x
    x = 17,797,350,071.13/170,833.40
  6. Step 6: Final answer
    x = 104,179.57

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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.