Home / 116,131.92-174,197.47-76,679.65

Finding the Fourth Proportional to 116,131.92, 174,197.47 and 76,679.65

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Solution

The fourth proportional to 116,131.92, 174,197.47 and 76,679.65 is: 115,019.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,131.92 : 174,197.47 = 76,679.65 : x
  2. Step 2: Convert to fraction form
    116,131.92/174,197.47 = 76,679.65/x
  3. Step 3: Cross multiply
    116,131.92x = 174,197.47 × 76,679.65
  4. Step 4: Simplify right side
    116,131.92x = 13,357,401,030.49
  5. Step 5: Solve for x
    x = 13,357,401,030.49/116,131.92
  6. Step 6: Final answer
    x = 115,019.20

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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.