Home / 151,949.68-209,690.04-83,964.76

Finding the Fourth Proportional to 151,949.68, 209,690.04 and 83,964.76

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Solution

The fourth proportional to 151,949.68, 209,690.04 and 83,964.76 is: 115,871.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,949.68 : 209,690.04 = 83,964.76 : x
  2. Step 2: Convert to fraction form
    151,949.68/209,690.04 = 83,964.76/x
  3. Step 3: Cross multiply
    151,949.68x = 209,690.04 × 83,964.76
  4. Step 4: Simplify right side
    151,949.68x = 17,606,573,882.99
  5. Step 5: Solve for x
    x = 17,606,573,882.99/151,949.68
  6. Step 6: Final answer
    x = 115,871.08

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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.