Home / 213,037.46-319,251.64-156,433.46

Finding the Fourth Proportional to 213,037.46, 319,251.64 and 156,433.46

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Solution

The fourth proportional to 213,037.46, 319,251.64 and 156,433.46 is: 234,426.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,037.46 : 319,251.64 = 156,433.46 : x
  2. Step 2: Convert to fraction form
    213,037.46/319,251.64 = 156,433.46/x
  3. Step 3: Cross multiply
    213,037.46x = 319,251.64 × 156,433.46
  4. Step 4: Simplify right side
    213,037.46x = 49,941,638,655.87
  5. Step 5: Solve for x
    x = 49,941,638,655.87/213,037.46
  6. Step 6: Final answer
    x = 234,426.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.