Home / 175,655.12-242,401.80-100,204.88

Finding the Fourth Proportional to 175,655.12, 242,401.80 and 100,204.88

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Solution

The fourth proportional to 175,655.12, 242,401.80 and 100,204.88 is: 138,281.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,655.12 : 242,401.80 = 100,204.88 : x
  2. Step 2: Convert to fraction form
    175,655.12/242,401.80 = 100,204.88/x
  3. Step 3: Cross multiply
    175,655.12x = 242,401.80 × 100,204.88
  4. Step 4: Simplify right side
    175,655.12x = 24,289,843,280.78
  5. Step 5: Solve for x
    x = 24,289,843,280.78/175,655.12
  6. Step 6: Final answer
    x = 138,281.44

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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.