Home / 202,340.28-279,186.26-117,411.78

Finding the Fourth Proportional to 202,340.28, 279,186.26 and 117,411.78

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Solution

The fourth proportional to 202,340.28, 279,186.26 and 117,411.78 is: 162,003.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,340.28 : 279,186.26 = 117,411.78 : x
  2. Step 2: Convert to fraction form
    202,340.28/279,186.26 = 117,411.78/x
  3. Step 3: Cross multiply
    202,340.28x = 279,186.26 × 117,411.78
  4. Step 4: Simplify right side
    202,340.28x = 32,779,755,738.14
  5. Step 5: Solve for x
    x = 32,779,755,738.14/202,340.28
  6. Step 6: Final answer
    x = 162,003.12

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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.