Home / 202,330.71-279,231.84-111,704.13

Finding the Fourth Proportional to 202,330.71, 279,231.84 and 111,704.13

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Solution

The fourth proportional to 202,330.71, 279,231.84 and 111,704.13 is: 154,160.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,330.71 : 279,231.84 = 111,704.13 : x
  2. Step 2: Convert to fraction form
    202,330.71/279,231.84 = 111,704.13/x
  3. Step 3: Cross multiply
    202,330.71x = 279,231.84 × 111,704.13
  4. Step 4: Simplify right side
    202,330.71x = 31,191,349,755.50
  5. Step 5: Solve for x
    x = 31,191,349,755.50/202,330.71
  6. Step 6: Final answer
    x = 154,160.23

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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.