Home / 180,962.08-249,727.38-100,401.88

Finding the Fourth Proportional to 180,962.08, 249,727.38 and 100,401.88

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Solution

The fourth proportional to 180,962.08, 249,727.38 and 100,401.88 is: 138,554.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,962.08 : 249,727.38 = 100,401.88 : x
  2. Step 2: Convert to fraction form
    180,962.08/249,727.38 = 100,401.88/x
  3. Step 3: Cross multiply
    180,962.08x = 249,727.38 × 100,401.88
  4. Step 4: Simplify right side
    180,962.08x = 25,073,098,439.47
  5. Step 5: Solve for x
    x = 25,073,098,439.47/180,962.08
  6. Step 6: Final answer
    x = 138,554.43

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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.