Home / 202,522.29-279,483.09-111,876.36

Finding the Fourth Proportional to 202,522.29, 279,483.09 and 111,876.36

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Solution

The fourth proportional to 202,522.29, 279,483.09 and 111,876.36 is: 154,390.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,522.29 : 279,483.09 = 111,876.36 : x
  2. Step 2: Convert to fraction form
    202,522.29/279,483.09 = 111,876.36/x
  3. Step 3: Cross multiply
    202,522.29x = 279,483.09 × 111,876.36
  4. Step 4: Simplify right side
    202,522.29x = 31,267,550,790.75
  5. Step 5: Solve for x
    x = 31,267,550,790.75/202,522.29
  6. Step 6: Final answer
    x = 154,390.66

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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.