Home / 388,599.42-582,977.68-163,960.40

Finding the Fourth Proportional to 388,599.42, 582,977.68 and 163,960.40

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Solution

The fourth proportional to 388,599.42, 582,977.68 and 163,960.40 is: 245,973.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,599.42 : 582,977.68 = 163,960.40 : x
  2. Step 2: Convert to fraction form
    388,599.42/582,977.68 = 163,960.40/x
  3. Step 3: Cross multiply
    388,599.42x = 582,977.68 × 163,960.40
  4. Step 4: Simplify right side
    388,599.42x = 95,585,253,603.87
  5. Step 5: Solve for x
    x = 95,585,253,603.87/388,599.42
  6. Step 6: Final answer
    x = 245,973.74

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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.