Home / 305,655.12-457,886.16-200,154.24

Finding the Fourth Proportional to 305,655.12, 457,886.16 and 200,154.24

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Solution

The fourth proportional to 305,655.12, 457,886.16 and 200,154.24 is: 299,840.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,655.12 : 457,886.16 = 200,154.24 : x
  2. Step 2: Convert to fraction form
    305,655.12/457,886.16 = 200,154.24/x
  3. Step 3: Cross multiply
    305,655.12x = 457,886.16 × 200,154.24
  4. Step 4: Simplify right side
    305,655.12x = 91,647,856,361.32
  5. Step 5: Solve for x
    x = 91,647,856,361.32/305,655.12
  6. Step 6: Final answer
    x = 299,840.74

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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.