Home / 136,436.24-204,693.24-99,033.68

Finding the Fourth Proportional to 136,436.24, 204,693.24 and 99,033.68

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Solution

The fourth proportional to 136,436.24, 204,693.24 and 99,033.68 is: 148,578.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,436.24 : 204,693.24 = 99,033.68 : x
  2. Step 2: Convert to fraction form
    136,436.24/204,693.24 = 99,033.68/x
  3. Step 3: Cross multiply
    136,436.24x = 204,693.24 × 99,033.68
  4. Step 4: Simplify right side
    136,436.24x = 20,271,524,828.32
  5. Step 5: Solve for x
    x = 20,271,524,828.32/136,436.24
  6. Step 6: Final answer
    x = 148,578.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.