Home / 115,945.40-173,658.90-113,353.40

Finding the Fourth Proportional to 115,945.40, 173,658.90 and 113,353.40

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Solution

The fourth proportional to 115,945.40, 173,658.90 and 113,353.40 is: 169,776.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,945.40 : 173,658.90 = 113,353.40 : x
  2. Step 2: Convert to fraction form
    115,945.40/173,658.90 = 113,353.40/x
  3. Step 3: Cross multiply
    115,945.40x = 173,658.90 × 113,353.40
  4. Step 4: Simplify right side
    115,945.40x = 19,684,826,755.26
  5. Step 5: Solve for x
    x = 19,684,826,755.26/115,945.40
  6. Step 6: Final answer
    x = 169,776.69

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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.