Home / 146,618.14-202,320.93-86,191.33

Finding the Fourth Proportional to 146,618.14, 202,320.93 and 86,191.33

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Solution

The fourth proportional to 146,618.14, 202,320.93 and 86,191.33 is: 118,936.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,618.14 : 202,320.93 = 86,191.33 : x
  2. Step 2: Convert to fraction form
    146,618.14/202,320.93 = 86,191.33/x
  3. Step 3: Cross multiply
    146,618.14x = 202,320.93 × 86,191.33
  4. Step 4: Simplify right side
    146,618.14x = 17,438,310,043.54
  5. Step 5: Solve for x
    x = 17,438,310,043.54/146,618.14
  6. Step 6: Final answer
    x = 118,936.92

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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.