Home / 199,701.23-299,554.50-66,581.53

Finding the Fourth Proportional to 199,701.23, 299,554.50 and 66,581.53

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Solution

The fourth proportional to 199,701.23, 299,554.50 and 66,581.53 is: 99,873.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,701.23 : 299,554.50 = 66,581.53 : x
  2. Step 2: Convert to fraction form
    199,701.23/299,554.50 = 66,581.53/x
  3. Step 3: Cross multiply
    199,701.23x = 299,554.50 × 66,581.53
  4. Step 4: Simplify right side
    199,701.23x = 19,944,796,928.39
  5. Step 5: Solve for x
    x = 19,944,796,928.39/199,701.23
  6. Step 6: Final answer
    x = 99,873.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.