Home / 115,921.57-173,764.71-65,898.30

Finding the Fourth Proportional to 115,921.57, 173,764.71 and 65,898.30

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Solution

The fourth proportional to 115,921.57, 173,764.71 and 65,898.30 is: 98,780.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,921.57 : 173,764.71 = 65,898.30 : x
  2. Step 2: Convert to fraction form
    115,921.57/173,764.71 = 65,898.30/x
  3. Step 3: Cross multiply
    115,921.57x = 173,764.71 × 65,898.30
  4. Step 4: Simplify right side
    115,921.57x = 11,450,798,988.99
  5. Step 5: Solve for x
    x = 11,450,798,988.99/115,921.57
  6. Step 6: Final answer
    x = 98,780.57

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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.