Home / 202,255.57-279,118.59-111,617.39

Finding the Fourth Proportional to 202,255.57, 279,118.59 and 111,617.39

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Solution

The fourth proportional to 202,255.57, 279,118.59 and 111,617.39 is: 154,035.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,255.57 : 279,118.59 = 111,617.39 : x
  2. Step 2: Convert to fraction form
    202,255.57/279,118.59 = 111,617.39/x
  3. Step 3: Cross multiply
    202,255.57x = 279,118.59 × 111,617.39
  4. Step 4: Simplify right side
    202,255.57x = 31,154,489,423.36
  5. Step 5: Solve for x
    x = 31,154,489,423.36/202,255.57
  6. Step 6: Final answer
    x = 154,035.26

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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.