Home / 147,904.01-204,091.28-90,557.76

Finding the Fourth Proportional to 147,904.01, 204,091.28 and 90,557.76

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Solution

The fourth proportional to 147,904.01, 204,091.28 and 90,557.76 is: 124,959.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,904.01 : 204,091.28 = 90,557.76 : x
  2. Step 2: Convert to fraction form
    147,904.01/204,091.28 = 90,557.76/x
  3. Step 3: Cross multiply
    147,904.01x = 204,091.28 × 90,557.76
  4. Step 4: Simplify right side
    147,904.01x = 18,482,049,804.48
  5. Step 5: Solve for x
    x = 18,482,049,804.48/147,904.01
  6. Step 6: Final answer
    x = 124,959.76

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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.