Home / 208,519.16-287,756.56-113,025.85

Finding the Fourth Proportional to 208,519.16, 287,756.56 and 113,025.85

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Solution

The fourth proportional to 208,519.16, 287,756.56 and 113,025.85 is: 155,975.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,519.16 : 287,756.56 = 113,025.85 : x
  2. Step 2: Convert to fraction form
    208,519.16/287,756.56 = 113,025.85/x
  3. Step 3: Cross multiply
    208,519.16x = 287,756.56 × 113,025.85
  4. Step 4: Simplify right side
    208,519.16x = 32,523,930,288.05
  5. Step 5: Solve for x
    x = 32,523,930,288.05/208,519.16
  6. Step 6: Final answer
    x = 155,975.74

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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.