Home / 364,856.12-547,533.31-128,198.82

Finding the Fourth Proportional to 364,856.12, 547,533.31 and 128,198.82

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Solution

The fourth proportional to 364,856.12, 547,533.31 and 128,198.82 is: 192,385.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,856.12 : 547,533.31 = 128,198.82 : x
  2. Step 2: Convert to fraction form
    364,856.12/547,533.31 = 128,198.82/x
  3. Step 3: Cross multiply
    364,856.12x = 547,533.31 × 128,198.82
  4. Step 4: Simplify right side
    364,856.12x = 70,193,124,252.69
  5. Step 5: Solve for x
    x = 70,193,124,252.69/364,856.12
  6. Step 6: Final answer
    x = 192,385.77

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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.