Home / 168,639.84-251,080.20-166,285.08

Finding the Fourth Proportional to 168,639.84, 251,080.20 and 166,285.08

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Solution

The fourth proportional to 168,639.84, 251,080.20 and 166,285.08 is: 247,574.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,639.84 : 251,080.20 = 166,285.08 : x
  2. Step 2: Convert to fraction form
    168,639.84/251,080.20 = 166,285.08/x
  3. Step 3: Cross multiply
    168,639.84x = 251,080.20 × 166,285.08
  4. Step 4: Simplify right side
    168,639.84x = 41,750,891,143.42
  5. Step 5: Solve for x
    x = 41,750,891,143.42/168,639.84
  6. Step 6: Final answer
    x = 247,574.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.