Home / 188,867.60-282,645.30-173,121.20

Finding the Fourth Proportional to 188,867.60, 282,645.30 and 173,121.20

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Solution

The fourth proportional to 188,867.60, 282,645.30 and 173,121.20 is: 259,080.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,867.60 : 282,645.30 = 173,121.20 : x
  2. Step 2: Convert to fraction form
    188,867.60/282,645.30 = 173,121.20/x
  3. Step 3: Cross multiply
    188,867.60x = 282,645.30 × 173,121.20
  4. Step 4: Simplify right side
    188,867.60x = 48,931,893,510.36
  5. Step 5: Solve for x
    x = 48,931,893,510.36/188,867.60
  6. Step 6: Final answer
    x = 259,080.40

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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.