Home / 281,344.47-388,260.18-173,911.74

Finding the Fourth Proportional to 281,344.47, 388,260.18 and 173,911.74

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Solution

The fourth proportional to 281,344.47, 388,260.18 and 173,911.74 is: 240,001.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,344.47 : 388,260.18 = 173,911.74 : x
  2. Step 2: Convert to fraction form
    281,344.47/388,260.18 = 173,911.74/x
  3. Step 3: Cross multiply
    281,344.47x = 388,260.18 × 173,911.74
  4. Step 4: Simplify right side
    281,344.47x = 67,523,003,476.51
  5. Step 5: Solve for x
    x = 67,523,003,476.51/281,344.47
  6. Step 6: Final answer
    x = 240,001.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.