Home / 208,190.28-287,302.62-112,697.76

Finding the Fourth Proportional to 208,190.28, 287,302.62 and 112,697.76

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Solution

The fourth proportional to 208,190.28, 287,302.62 and 112,697.76 is: 155,522.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,190.28 : 287,302.62 = 112,697.76 : x
  2. Step 2: Convert to fraction form
    208,190.28/287,302.62 = 112,697.76/x
  3. Step 3: Cross multiply
    208,190.28x = 287,302.62 × 112,697.76
  4. Step 4: Simplify right side
    208,190.28x = 32,378,361,716.13
  5. Step 5: Solve for x
    x = 32,378,361,716.13/208,190.28
  6. Step 6: Final answer
    x = 155,522.93

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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.