Home / 106,290.09-146,680.47-58,543.56

Finding the Fourth Proportional to 106,290.09, 146,680.47 and 58,543.56

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Solution

The fourth proportional to 106,290.09, 146,680.47 and 58,543.56 is: 80,790.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,290.09 : 146,680.47 = 58,543.56 : x
  2. Step 2: Convert to fraction form
    106,290.09/146,680.47 = 58,543.56/x
  3. Step 3: Cross multiply
    106,290.09x = 146,680.47 × 58,543.56
  4. Step 4: Simplify right side
    106,290.09x = 8,587,196,896.27
  5. Step 5: Solve for x
    x = 8,587,196,896.27/106,290.09
  6. Step 6: Final answer
    x = 80,790.19

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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.