Home / 199,541.40-299,312.10-177,890.10

Finding the Fourth Proportional to 199,541.40, 299,312.10 and 177,890.10

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Solution

The fourth proportional to 199,541.40, 299,312.10 and 177,890.10 is: 266,835.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,541.40 : 299,312.10 = 177,890.10 : x
  2. Step 2: Convert to fraction form
    199,541.40/299,312.10 = 177,890.10/x
  3. Step 3: Cross multiply
    199,541.40x = 299,312.10 × 177,890.10
  4. Step 4: Simplify right side
    199,541.40x = 53,244,659,400.21
  5. Step 5: Solve for x
    x = 53,244,659,400.21/199,541.40
  6. Step 6: Final answer
    x = 266,835.15

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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.