Home / 147,846.23-203,963.42-90,488.10

Finding the Fourth Proportional to 147,846.23, 203,963.42 and 90,488.10

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Solution

The fourth proportional to 147,846.23, 203,963.42 and 90,488.10 is: 124,834.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,846.23 : 203,963.42 = 90,488.10 : x
  2. Step 2: Convert to fraction form
    147,846.23/203,963.42 = 90,488.10/x
  3. Step 3: Cross multiply
    147,846.23x = 203,963.42 × 90,488.10
  4. Step 4: Simplify right side
    147,846.23x = 18,456,262,827.39
  5. Step 5: Solve for x
    x = 18,456,262,827.39/147,846.23
  6. Step 6: Final answer
    x = 124,834.18

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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.