Home / 209,445.79-289,026.62-113,952.58

Finding the Fourth Proportional to 209,445.79, 289,026.62 and 113,952.58

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Solution

The fourth proportional to 209,445.79, 289,026.62 and 113,952.58 is: 157,249.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,445.79 : 289,026.62 = 113,952.58 : x
  2. Step 2: Convert to fraction form
    209,445.79/289,026.62 = 113,952.58/x
  3. Step 3: Cross multiply
    209,445.79x = 289,026.62 × 113,952.58
  4. Step 4: Simplify right side
    209,445.79x = 32,935,328,467.92
  5. Step 5: Solve for x
    x = 32,935,328,467.92/209,445.79
  6. Step 6: Final answer
    x = 157,249.89

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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.