Home / 208,856.01-288,213.57-113,360.65

Finding the Fourth Proportional to 208,856.01, 288,213.57 and 113,360.65

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Solution

The fourth proportional to 208,856.01, 288,213.57 and 113,360.65 is: 156,433.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,856.01 : 288,213.57 = 113,360.65 : x
  2. Step 2: Convert to fraction form
    208,856.01/288,213.57 = 113,360.65/x
  3. Step 3: Cross multiply
    208,856.01x = 288,213.57 × 113,360.65
  4. Step 4: Simplify right side
    208,856.01x = 32,672,077,634.02
  5. Step 5: Solve for x
    x = 32,672,077,634.02/208,856.01
  6. Step 6: Final answer
    x = 156,433.50

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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.