Home / 121,110.66-181,604.93-36,854.66

Finding the Fourth Proportional to 121,110.66, 181,604.93 and 36,854.66

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Solution

The fourth proportional to 121,110.66, 181,604.93 and 36,854.66 is: 55,263.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,110.66 : 181,604.93 = 36,854.66 : x
  2. Step 2: Convert to fraction form
    121,110.66/181,604.93 = 36,854.66/x
  3. Step 3: Cross multiply
    121,110.66x = 181,604.93 × 36,854.66
  4. Step 4: Simplify right side
    121,110.66x = 6,692,987,949.47
  5. Step 5: Solve for x
    x = 6,692,987,949.47/121,110.66
  6. Step 6: Final answer
    x = 55,263.41

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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.