Home / 231,069.60-346,535.28-120,201.12

Finding the Fourth Proportional to 231,069.60, 346,535.28 and 120,201.12

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Solution

The fourth proportional to 231,069.60, 346,535.28 and 120,201.12 is: 180,265.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,069.60 : 346,535.28 = 120,201.12 : x
  2. Step 2: Convert to fraction form
    231,069.60/346,535.28 = 120,201.12/x
  3. Step 3: Cross multiply
    231,069.60x = 346,535.28 × 120,201.12
  4. Step 4: Simplify right side
    231,069.60x = 41,653,928,775.51
  5. Step 5: Solve for x
    x = 41,653,928,775.51/231,069.60
  6. Step 6: Final answer
    x = 180,265.72

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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.