Home / 151,754.96-209,433.44-83,785.04

Finding the Fourth Proportional to 151,754.96, 209,433.44 and 83,785.04

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Solution

The fourth proportional to 151,754.96, 209,433.44 and 83,785.04 is: 115,629.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,754.96 : 209,433.44 = 83,785.04 : x
  2. Step 2: Convert to fraction form
    151,754.96/209,433.44 = 83,785.04/x
  3. Step 3: Cross multiply
    151,754.96x = 209,433.44 × 83,785.04
  4. Step 4: Simplify right side
    151,754.96x = 17,547,389,147.74
  5. Step 5: Solve for x
    x = 17,547,389,147.74/151,754.96
  6. Step 6: Final answer
    x = 115,629.76

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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.