Home / 209,440.94-289,031.96-113,948.15

Finding the Fourth Proportional to 209,440.94, 289,031.96 and 113,948.15

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Solution

The fourth proportional to 209,440.94, 289,031.96 and 113,948.15 is: 157,250.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,440.94 : 289,031.96 = 113,948.15 : x
  2. Step 2: Convert to fraction form
    209,440.94/289,031.96 = 113,948.15/x
  3. Step 3: Cross multiply
    209,440.94x = 289,031.96 × 113,948.15
  4. Step 4: Simplify right side
    209,440.94x = 32,934,655,972.58
  5. Step 5: Solve for x
    x = 32,934,655,972.58/209,440.94
  6. Step 6: Final answer
    x = 157,250.33

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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.