Home / 151,932.04-209,664.96-83,948.80

Finding the Fourth Proportional to 151,932.04, 209,664.96 and 83,948.80

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Solution

The fourth proportional to 151,932.04, 209,664.96 and 83,948.80 is: 115,848.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,932.04 : 209,664.96 = 83,948.80 : x
  2. Step 2: Convert to fraction form
    151,932.04/209,664.96 = 83,948.80/x
  3. Step 3: Cross multiply
    151,932.04x = 209,664.96 × 83,948.80
  4. Step 4: Simplify right side
    151,932.04x = 17,601,121,794.05
  5. Step 5: Solve for x
    x = 17,601,121,794.05/151,932.04
  6. Step 6: Final answer
    x = 115,848.65

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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.