Home / 115,614.18-159,544.20-64,627.02

Finding the Fourth Proportional to 115,614.18, 159,544.20 and 64,627.02

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Solution

The fourth proportional to 115,614.18, 159,544.20 and 64,627.02 is: 89,183.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,614.18 : 159,544.20 = 64,627.02 : x
  2. Step 2: Convert to fraction form
    115,614.18/159,544.20 = 64,627.02/x
  3. Step 3: Cross multiply
    115,614.18x = 159,544.20 × 64,627.02
  4. Step 4: Simplify right side
    115,614.18x = 10,310,866,204.28
  5. Step 5: Solve for x
    x = 10,310,866,204.28/115,614.18
  6. Step 6: Final answer
    x = 89,183.40

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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.