Home / 209,499.42-289,108.67-114,006.09

Finding the Fourth Proportional to 209,499.42, 289,108.67 and 114,006.09

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Solution

The fourth proportional to 209,499.42, 289,108.67 and 114,006.09 is: 157,328.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,499.42 : 289,108.67 = 114,006.09 : x
  2. Step 2: Convert to fraction form
    209,499.42/289,108.67 = 114,006.09/x
  3. Step 3: Cross multiply
    209,499.42x = 289,108.67 × 114,006.09
  4. Step 4: Simplify right side
    209,499.42x = 32,960,148,481.77
  5. Step 5: Solve for x
    x = 32,960,148,481.77/209,499.42
  6. Step 6: Final answer
    x = 157,328.11

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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.