Home / 202,210.97-279,050.33-111,572.57

Finding the Fourth Proportional to 202,210.97, 279,050.33 and 111,572.57

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Solution

The fourth proportional to 202,210.97, 279,050.33 and 111,572.57 is: 153,969.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,210.97 : 279,050.33 = 111,572.57 : x
  2. Step 2: Convert to fraction form
    202,210.97/279,050.33 = 111,572.57/x
  3. Step 3: Cross multiply
    202,210.97x = 279,050.33 × 111,572.57
  4. Step 4: Simplify right side
    202,210.97x = 31,134,363,454.01
  5. Step 5: Solve for x
    x = 31,134,363,454.01/202,210.97
  6. Step 6: Final answer
    x = 153,969.71

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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.