Home / 288,616.60-398,033.04-181,196.62

Finding the Fourth Proportional to 288,616.60, 398,033.04 and 181,196.62

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Solution

The fourth proportional to 288,616.60, 398,033.04 and 181,196.62 is: 249,889.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,616.60 : 398,033.04 = 181,196.62 : x
  2. Step 2: Convert to fraction form
    288,616.60/398,033.04 = 181,196.62/x
  3. Step 3: Cross multiply
    288,616.60x = 398,033.04 × 181,196.62
  4. Step 4: Simplify right side
    288,616.60x = 72,122,241,496.32
  5. Step 5: Solve for x
    x = 72,122,241,496.32/288,616.60
  6. Step 6: Final answer
    x = 249,889.44

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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.