Home / 202,192.08-279,023.28-111,548.84

Finding the Fourth Proportional to 202,192.08, 279,023.28 and 111,548.84

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Solution

The fourth proportional to 202,192.08, 279,023.28 and 111,548.84 is: 153,936.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,192.08 : 279,023.28 = 111,548.84 : x
  2. Step 2: Convert to fraction form
    202,192.08/279,023.28 = 111,548.84/x
  3. Step 3: Cross multiply
    202,192.08x = 279,023.28 × 111,548.84
  4. Step 4: Simplify right side
    202,192.08x = 31,124,721,821.88
  5. Step 5: Solve for x
    x = 31,124,721,821.88/202,192.08
  6. Step 6: Final answer
    x = 153,936.40

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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.