Home / 355,116.10-533,002.20-177,750.40

Finding the Fourth Proportional to 355,116.10, 533,002.20 and 177,750.40

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Solution

The fourth proportional to 355,116.10, 533,002.20 and 177,750.40 is: 266,789.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,116.10 : 533,002.20 = 177,750.40 : x
  2. Step 2: Convert to fraction form
    355,116.10/533,002.20 = 177,750.40/x
  3. Step 3: Cross multiply
    355,116.10x = 533,002.20 × 177,750.40
  4. Step 4: Simplify right side
    355,116.10x = 94,741,354,250.88
  5. Step 5: Solve for x
    x = 94,741,354,250.88/355,116.10
  6. Step 6: Final answer
    x = 266,789.80

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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.