Home / 115,862.20-173,501.70-76,204.60

Finding the Fourth Proportional to 115,862.20, 173,501.70 and 76,204.60

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Solution

The fourth proportional to 115,862.20, 173,501.70 and 76,204.60 is: 114,115.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,862.20 : 173,501.70 = 76,204.60 : x
  2. Step 2: Convert to fraction form
    115,862.20/173,501.70 = 76,204.60/x
  3. Step 3: Cross multiply
    115,862.20x = 173,501.70 × 76,204.60
  4. Step 4: Simplify right side
    115,862.20x = 13,221,627,647.82
  5. Step 5: Solve for x
    x = 13,221,627,647.82/115,862.20
  6. Step 6: Final answer
    x = 114,115.11

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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.