Home / 202,192.39-279,026.42-111,548.32

Finding the Fourth Proportional to 202,192.39, 279,026.42 and 111,548.32

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Solution

The fourth proportional to 202,192.39, 279,026.42 and 111,548.32 is: 153,937.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,192.39 : 279,026.42 = 111,548.32 : x
  2. Step 2: Convert to fraction form
    202,192.39/279,026.42 = 111,548.32/x
  3. Step 3: Cross multiply
    202,192.39x = 279,026.42 × 111,548.32
  4. Step 4: Simplify right side
    202,192.39x = 31,124,928,386.61
  5. Step 5: Solve for x
    x = 31,124,928,386.61/202,192.39
  6. Step 6: Final answer
    x = 153,937.19

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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.