Home / 208,850.85-288,214.50-113,357.59

Finding the Fourth Proportional to 208,850.85, 288,214.50 and 113,357.59

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Solution

The fourth proportional to 208,850.85, 288,214.50 and 113,357.59 is: 156,433.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,850.85 : 288,214.50 = 113,357.59 : x
  2. Step 2: Convert to fraction form
    208,850.85/288,214.50 = 113,357.59/x
  3. Step 3: Cross multiply
    208,850.85x = 288,214.50 × 113,357.59
  4. Step 4: Simplify right side
    208,850.85x = 32,671,301,123.06
  5. Step 5: Solve for x
    x = 32,671,301,123.06/208,850.85
  6. Step 6: Final answer
    x = 156,433.65

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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.