Home / 109,180.62-150,672.18-61,435.64

Finding the Fourth Proportional to 109,180.62, 150,672.18 and 61,435.64

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Solution

The fourth proportional to 109,180.62, 150,672.18 and 61,435.64 is: 84,782.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,180.62 : 150,672.18 = 61,435.64 : x
  2. Step 2: Convert to fraction form
    109,180.62/150,672.18 = 61,435.64/x
  3. Step 3: Cross multiply
    109,180.62x = 150,672.18 × 61,435.64
  4. Step 4: Simplify right side
    109,180.62x = 9,256,641,808.50
  5. Step 5: Solve for x
    x = 9,256,641,808.50/109,180.62
  6. Step 6: Final answer
    x = 84,782.83

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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.