Home / 208,250.16-287,385.60-112,757.76

Finding the Fourth Proportional to 208,250.16, 287,385.60 and 112,757.76

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Solution

The fourth proportional to 208,250.16, 287,385.60 and 112,757.76 is: 155,605.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,250.16 : 287,385.60 = 112,757.76 : x
  2. Step 2: Convert to fraction form
    208,250.16/287,385.60 = 112,757.76/x
  3. Step 3: Cross multiply
    208,250.16x = 287,385.60 × 112,757.76
  4. Step 4: Simplify right side
    208,250.16x = 32,404,956,512.26
  5. Step 5: Solve for x
    x = 32,404,956,512.26/208,250.16
  6. Step 6: Final answer
    x = 155,605.91

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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.