Home / 202,323.12-279,205.92-111,679.11

Finding the Fourth Proportional to 202,323.12, 279,205.92 and 111,679.11

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Solution

The fourth proportional to 202,323.12, 279,205.92 and 111,679.11 is: 154,117.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,323.12 : 279,205.92 = 111,679.11 : x
  2. Step 2: Convert to fraction form
    202,323.12/279,205.92 = 111,679.11/x
  3. Step 3: Cross multiply
    202,323.12x = 279,205.92 × 111,679.11
  4. Step 4: Simplify right side
    202,323.12x = 31,181,466,697.91
  5. Step 5: Solve for x
    x = 31,181,466,697.91/202,323.12
  6. Step 6: Final answer
    x = 154,117.17

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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.