Home / 338,970.18-508,484.82-111,197.50

Finding the Fourth Proportional to 338,970.18, 508,484.82 and 111,197.50

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Solution

The fourth proportional to 338,970.18, 508,484.82 and 111,197.50 is: 166,805.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,970.18 : 508,484.82 = 111,197.50 : x
  2. Step 2: Convert to fraction form
    338,970.18/508,484.82 = 111,197.50/x
  3. Step 3: Cross multiply
    338,970.18x = 508,484.82 × 111,197.50
  4. Step 4: Simplify right side
    338,970.18x = 56,542,240,771.95
  5. Step 5: Solve for x
    x = 56,542,240,771.95/338,970.18
  6. Step 6: Final answer
    x = 166,805.94

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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.