Home / 354,220.20-531,330.30-185,675.40

Finding the Fourth Proportional to 354,220.20, 531,330.30 and 185,675.40

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Solution

The fourth proportional to 354,220.20, 531,330.30 and 185,675.40 is: 278,513.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,220.20 : 531,330.30 = 185,675.40 : x
  2. Step 2: Convert to fraction form
    354,220.20/531,330.30 = 185,675.40/x
  3. Step 3: Cross multiply
    354,220.20x = 531,330.30 × 185,675.40
  4. Step 4: Simplify right side
    354,220.20x = 98,654,965,984.62
  5. Step 5: Solve for x
    x = 98,654,965,984.62/354,220.20
  6. Step 6: Final answer
    x = 278,513.10

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1.5x scale

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.