Home / 202,192.54-279,025.73-111,548.72

Finding the Fourth Proportional to 202,192.54, 279,025.73 and 111,548.72

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Solution

The fourth proportional to 202,192.54, 279,025.73 and 111,548.72 is: 153,937.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,192.54 : 279,025.73 = 111,548.72 : x
  2. Step 2: Convert to fraction form
    202,192.54/279,025.73 = 111,548.72/x
  3. Step 3: Cross multiply
    202,192.54x = 279,025.73 × 111,548.72
  4. Step 4: Simplify right side
    202,192.54x = 31,124,962,801.93
  5. Step 5: Solve for x
    x = 31,124,962,801.93/202,192.54
  6. Step 6: Final answer
    x = 153,937.25

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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.