Home / 525,234.20-787,851.30-170,259.80

Finding the Fourth Proportional to 525,234.20, 787,851.30 and 170,259.80

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Solution

The fourth proportional to 525,234.20, 787,851.30 and 170,259.80 is: 255,389.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,234.20 : 787,851.30 = 170,259.80 : x
  2. Step 2: Convert to fraction form
    525,234.20/787,851.30 = 170,259.80/x
  3. Step 3: Cross multiply
    525,234.20x = 787,851.30 × 170,259.80
  4. Step 4: Simplify right side
    525,234.20x = 134,139,404,767.74
  5. Step 5: Solve for x
    x = 134,139,404,767.74/525,234.20
  6. Step 6: Final answer
    x = 255,389.70

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Similar ratio
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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.