Home / 388,965.25-583,546.34-108,482.50

Finding the Fourth Proportional to 388,965.25, 583,546.34 and 108,482.50

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Solution

The fourth proportional to 388,965.25, 583,546.34 and 108,482.50 is: 162,751.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,965.25 : 583,546.34 = 108,482.50 : x
  2. Step 2: Convert to fraction form
    388,965.25/583,546.34 = 108,482.50/x
  3. Step 3: Cross multiply
    388,965.25x = 583,546.34 × 108,482.50
  4. Step 4: Simplify right side
    388,965.25x = 63,304,565,829.05
  5. Step 5: Solve for x
    x = 63,304,565,829.05/388,965.25
  6. Step 6: Final answer
    x = 162,751.21

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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.