Home / 209,261.48-288,786.50-113,774.76

Finding the Fourth Proportional to 209,261.48, 288,786.50 and 113,774.76

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Solution

The fourth proportional to 209,261.48, 288,786.50 and 113,774.76 is: 157,012.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,261.48 : 288,786.50 = 113,774.76 : x
  2. Step 2: Convert to fraction form
    209,261.48/288,786.50 = 113,774.76/x
  3. Step 3: Cross multiply
    209,261.48x = 288,786.50 × 113,774.76
  4. Step 4: Simplify right side
    209,261.48x = 32,856,614,728.74
  5. Step 5: Solve for x
    x = 32,856,614,728.74/209,261.48
  6. Step 6: Final answer
    x = 157,012.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.