Home / 170,615.38-235,448.55-94,139.23

Finding the Fourth Proportional to 170,615.38, 235,448.55 and 94,139.23

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Solution

The fourth proportional to 170,615.38, 235,448.55 and 94,139.23 is: 129,911.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,615.38 : 235,448.55 = 94,139.23 : x
  2. Step 2: Convert to fraction form
    170,615.38/235,448.55 = 94,139.23/x
  3. Step 3: Cross multiply
    170,615.38x = 235,448.55 × 94,139.23
  4. Step 4: Simplify right side
    170,615.38x = 22,164,945,201.62
  5. Step 5: Solve for x
    x = 22,164,945,201.62/170,615.38
  6. Step 6: Final answer
    x = 129,911.77

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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.