Home / 151,847.03-209,550.47-83,865.71

Finding the Fourth Proportional to 151,847.03, 209,550.47 and 83,865.71

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Solution

The fourth proportional to 151,847.03, 209,550.47 and 83,865.71 is: 115,735.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,847.03 : 209,550.47 = 83,865.71 : x
  2. Step 2: Convert to fraction form
    151,847.03/209,550.47 = 83,865.71/x
  3. Step 3: Cross multiply
    151,847.03x = 209,550.47 × 83,865.71
  4. Step 4: Simplify right side
    151,847.03x = 17,574,098,947.38
  5. Step 5: Solve for x
    x = 17,574,098,947.38/151,847.03
  6. Step 6: Final answer
    x = 115,735.55

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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.