Home / 281,764.62-388,875-174,369.24

Finding the Fourth Proportional to 281,764.62, 388,875 and 174,369.24

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Solution

The fourth proportional to 281,764.62, 388,875 and 174,369.24 is: 240,654.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,764.62 : 388,875 = 174,369.24 : x
  2. Step 2: Convert to fraction form
    281,764.62/388,875 = 174,369.24/x
  3. Step 3: Cross multiply
    281,764.62x = 388,875 × 174,369.24
  4. Step 4: Simplify right side
    281,764.62x = 67,807,838,205
  5. Step 5: Solve for x
    x = 67,807,838,205/281,764.62
  6. Step 6: Final answer
    x = 240,654.20

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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.