Home / 174,479.20-261,718.80-163,981.60

Finding the Fourth Proportional to 174,479.20, 261,718.80 and 163,981.60

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Solution

The fourth proportional to 174,479.20, 261,718.80 and 163,981.60 is: 245,972.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,479.20 : 261,718.80 = 163,981.60 : x
  2. Step 2: Convert to fraction form
    174,479.20/261,718.80 = 163,981.60/x
  3. Step 3: Cross multiply
    174,479.20x = 261,718.80 × 163,981.60
  4. Step 4: Simplify right side
    174,479.20x = 42,917,067,574.08
  5. Step 5: Solve for x
    x = 42,917,067,574.08/174,479.20
  6. Step 6: Final answer
    x = 245,972.40

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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.