Home / 185,718.40-278,577.60-173,908.60

Finding the Fourth Proportional to 185,718.40, 278,577.60 and 173,908.60

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Solution

The fourth proportional to 185,718.40, 278,577.60 and 173,908.60 is: 260,862.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,718.40 : 278,577.60 = 173,908.60 : x
  2. Step 2: Convert to fraction form
    185,718.40/278,577.60 = 173,908.60/x
  3. Step 3: Cross multiply
    185,718.40x = 278,577.60 × 173,908.60
  4. Step 4: Simplify right side
    185,718.40x = 48,447,040,407.36
  5. Step 5: Solve for x
    x = 48,447,040,407.36/185,718.40
  6. Step 6: Final answer
    x = 260,862.90

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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.