Home / 209,847.08-289,592.28-114,353.72

Finding the Fourth Proportional to 209,847.08, 289,592.28 and 114,353.72

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Solution

The fourth proportional to 209,847.08, 289,592.28 and 114,353.72 is: 157,809.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,847.08 : 289,592.28 = 114,353.72 : x
  2. Step 2: Convert to fraction form
    209,847.08/289,592.28 = 114,353.72/x
  3. Step 3: Cross multiply
    209,847.08x = 289,592.28 × 114,353.72
  4. Step 4: Simplify right side
    209,847.08x = 33,115,954,501.28
  5. Step 5: Solve for x
    x = 33,115,954,501.28/209,847.08
  6. Step 6: Final answer
    x = 157,809.94

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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.