Home / 115,939.20-173,908.80-97,568.40

Finding the Fourth Proportional to 115,939.20, 173,908.80 and 97,568.40

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Solution

The fourth proportional to 115,939.20, 173,908.80 and 97,568.40 is: 146,352.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,939.20 : 173,908.80 = 97,568.40 : x
  2. Step 2: Convert to fraction form
    115,939.20/173,908.80 = 97,568.40/x
  3. Step 3: Cross multiply
    115,939.20x = 173,908.80 × 97,568.40
  4. Step 4: Simplify right side
    115,939.20x = 16,968,003,361.92
  5. Step 5: Solve for x
    x = 16,968,003,361.92/115,939.20
  6. Step 6: Final answer
    x = 146,352.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.