Home / 147,240.61-203,166.97-86,789.16

Finding the Fourth Proportional to 147,240.61, 203,166.97 and 86,789.16

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Solution

The fourth proportional to 147,240.61, 203,166.97 and 86,789.16 is: 119,754.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,240.61 : 203,166.97 = 86,789.16 : x
  2. Step 2: Convert to fraction form
    147,240.61/203,166.97 = 86,789.16/x
  3. Step 3: Cross multiply
    147,240.61x = 203,166.97 × 86,789.16
  4. Step 4: Simplify right side
    147,240.61x = 17,632,690,449.07
  5. Step 5: Solve for x
    x = 17,632,690,449.07/147,240.61
  6. Step 6: Final answer
    x = 119,754.26

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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.