Home / 115,942.24-173,582.40-76,378.24

Finding the Fourth Proportional to 115,942.24, 173,582.40 and 76,378.24

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Solution

The fourth proportional to 115,942.24, 173,582.40 and 76,378.24 is: 114,349.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,942.24 : 173,582.40 = 76,378.24 : x
  2. Step 2: Convert to fraction form
    115,942.24/173,582.40 = 76,378.24/x
  3. Step 3: Cross multiply
    115,942.24x = 173,582.40 × 76,378.24
  4. Step 4: Simplify right side
    115,942.24x = 13,257,918,206.98
  5. Step 5: Solve for x
    x = 13,257,918,206.98/115,942.24
  6. Step 6: Final answer
    x = 114,349.34

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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.