Home / 202,006.71-278,771.22-111,366.29

Finding the Fourth Proportional to 202,006.71, 278,771.22 and 111,366.29

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Solution

The fourth proportional to 202,006.71, 278,771.22 and 111,366.29 is: 153,686.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,006.71 : 278,771.22 = 111,366.29 : x
  2. Step 2: Convert to fraction form
    202,006.71/278,771.22 = 111,366.29/x
  3. Step 3: Cross multiply
    202,006.71x = 278,771.22 × 111,366.29
  4. Step 4: Simplify right side
    202,006.71x = 31,045,717,227.10
  5. Step 5: Solve for x
    x = 31,045,717,227.10/202,006.71
  6. Step 6: Final answer
    x = 153,686.56

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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.