Home / 221,544.90-332,317.35-115,256.70

Finding the Fourth Proportional to 221,544.90, 332,317.35 and 115,256.70

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Solution

The fourth proportional to 221,544.90, 332,317.35 and 115,256.70 is: 172,885.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,544.90 : 332,317.35 = 115,256.70 : x
  2. Step 2: Convert to fraction form
    221,544.90/332,317.35 = 115,256.70/x
  3. Step 3: Cross multiply
    221,544.90x = 332,317.35 × 115,256.70
  4. Step 4: Simplify right side
    221,544.90x = 38,301,801,113.75
  5. Step 5: Solve for x
    x = 38,301,801,113.75/221,544.90
  6. Step 6: Final answer
    x = 172,885.05

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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.