Home / 199,389.40-299,084.10-177,616.60

Finding the Fourth Proportional to 199,389.40, 299,084.10 and 177,616.60

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Solution

The fourth proportional to 199,389.40, 299,084.10 and 177,616.60 is: 266,424.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,389.40 : 299,084.10 = 177,616.60 : x
  2. Step 2: Convert to fraction form
    199,389.40/299,084.10 = 177,616.60/x
  3. Step 3: Cross multiply
    199,389.40x = 299,084.10 × 177,616.60
  4. Step 4: Simplify right side
    199,389.40x = 53,122,300,956.06
  5. Step 5: Solve for x
    x = 53,122,300,956.06/199,389.40
  6. Step 6: Final answer
    x = 266,424.90

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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.