Home / 188,689.40-282,660.49-122,176.35

Finding the Fourth Proportional to 188,689.40, 282,660.49 and 122,176.35

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Solution

The fourth proportional to 188,689.40, 282,660.49 and 122,176.35 is: 183,022.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,689.40 : 282,660.49 = 122,176.35 : x
  2. Step 2: Convert to fraction form
    188,689.40/282,660.49 = 122,176.35/x
  3. Step 3: Cross multiply
    188,689.40x = 282,660.49 × 122,176.35
  4. Step 4: Simplify right side
    188,689.40x = 34,534,426,422.89
  5. Step 5: Solve for x
    x = 34,534,426,422.89/188,689.40
  6. Step 6: Final answer
    x = 183,022.61

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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.