Home / 189,352.08-283,757.45-139,037.40

Finding the Fourth Proportional to 189,352.08, 283,757.45 and 139,037.40

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Solution

The fourth proportional to 189,352.08, 283,757.45 and 139,037.40 is: 208,357.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,352.08 : 283,757.45 = 139,037.40 : x
  2. Step 2: Convert to fraction form
    189,352.08/283,757.45 = 139,037.40/x
  3. Step 3: Cross multiply
    189,352.08x = 283,757.45 × 139,037.40
  4. Step 4: Simplify right side
    189,352.08x = 39,452,897,383.44
  5. Step 5: Solve for x
    x = 39,452,897,383.44/189,352.08
  6. Step 6: Final answer
    x = 208,357.35

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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.