Home / 209,846.40-289,587.12-114,353.10

Finding the Fourth Proportional to 209,846.40, 289,587.12 and 114,353.10

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Solution

The fourth proportional to 209,846.40, 289,587.12 and 114,353.10 is: 157,806.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,846.40 : 289,587.12 = 114,353.10 : x
  2. Step 2: Convert to fraction form
    209,846.40/289,587.12 = 114,353.10/x
  3. Step 3: Cross multiply
    209,846.40x = 289,587.12 × 114,353.10
  4. Step 4: Simplify right side
    209,846.40x = 33,115,184,463.25
  5. Step 5: Solve for x
    x = 33,115,184,463.25/209,846.40
  6. Step 6: Final answer
    x = 157,806.78

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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.