Home / 202,201.08-279,035.73-111,557.85

Finding the Fourth Proportional to 202,201.08, 279,035.73 and 111,557.85

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Solution

The fourth proportional to 202,201.08, 279,035.73 and 111,557.85 is: 153,948.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,201.08 : 279,035.73 = 111,557.85 : x
  2. Step 2: Convert to fraction form
    202,201.08/279,035.73 = 111,557.85/x
  3. Step 3: Cross multiply
    202,201.08x = 279,035.73 × 111,557.85
  4. Step 4: Simplify right side
    202,201.08x = 31,128,626,111.98
  5. Step 5: Solve for x
    x = 31,128,626,111.98/202,201.08
  6. Step 6: Final answer
    x = 153,948.86

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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.