Home / 202,623.32-279,618.89-111,984.53

Finding the Fourth Proportional to 202,623.32, 279,618.89 and 111,984.53

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Solution

The fourth proportional to 202,623.32, 279,618.89 and 111,984.53 is: 154,537.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,623.32 : 279,618.89 = 111,984.53 : x
  2. Step 2: Convert to fraction form
    202,623.32/279,618.89 = 111,984.53/x
  3. Step 3: Cross multiply
    202,623.32x = 279,618.89 × 111,984.53
  4. Step 4: Simplify right side
    202,623.32x = 31,312,988,017.75
  5. Step 5: Solve for x
    x = 31,312,988,017.75/202,623.32
  6. Step 6: Final answer
    x = 154,537.93

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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.