Home / 180,750.04-249,431.20-100,176.84

Finding the Fourth Proportional to 180,750.04, 249,431.20 and 100,176.84

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Solution

The fourth proportional to 180,750.04, 249,431.20 and 100,176.84 is: 138,241.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,750.04 : 249,431.20 = 100,176.84 : x
  2. Step 2: Convert to fraction form
    180,750.04/249,431.20 = 100,176.84/x
  3. Step 3: Cross multiply
    180,750.04x = 249,431.20 × 100,176.84
  4. Step 4: Simplify right side
    180,750.04x = 24,987,229,162.97
  5. Step 5: Solve for x
    x = 24,987,229,162.97/180,750.04
  6. Step 6: Final answer
    x = 138,241.90

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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.