Home / 202,315.53-279,195.45-111,671.52

Finding the Fourth Proportional to 202,315.53, 279,195.45 and 111,671.52

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Solution

The fourth proportional to 202,315.53, 279,195.45 and 111,671.52 is: 154,106.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,315.53 : 279,195.45 = 111,671.52 : x
  2. Step 2: Convert to fraction form
    202,315.53/279,195.45 = 111,671.52/x
  3. Step 3: Cross multiply
    202,315.53x = 279,195.45 × 111,671.52
  4. Step 4: Simplify right side
    202,315.53x = 31,178,180,278.58
  5. Step 5: Solve for x
    x = 31,178,180,278.58/202,315.53
  6. Step 6: Final answer
    x = 154,106.71

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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.