Home / 199,545.40-299,318.10-185,111.20

Finding the Fourth Proportional to 199,545.40, 299,318.10 and 185,111.20

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Solution

The fourth proportional to 199,545.40, 299,318.10 and 185,111.20 is: 277,666.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,545.40 : 299,318.10 = 185,111.20 : x
  2. Step 2: Convert to fraction form
    199,545.40/299,318.10 = 185,111.20/x
  3. Step 3: Cross multiply
    199,545.40x = 299,318.10 × 185,111.20
  4. Step 4: Simplify right side
    199,545.40x = 55,407,132,672.72
  5. Step 5: Solve for x
    x = 55,407,132,672.72/199,545.40
  6. Step 6: Final answer
    x = 277,666.80

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1.5x scale

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.