Home / 236,187.20-325,840.20-139,352.61

Finding the Fourth Proportional to 236,187.20, 325,840.20 and 139,352.61

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Solution

The fourth proportional to 236,187.20, 325,840.20 and 139,352.61 is: 192,248.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,187.20 : 325,840.20 = 139,352.61 : x
  2. Step 2: Convert to fraction form
    236,187.20/325,840.20 = 139,352.61/x
  3. Step 3: Cross multiply
    236,187.20x = 325,840.20 × 139,352.61
  4. Step 4: Simplify right side
    236,187.20x = 45,406,683,012.25
  5. Step 5: Solve for x
    x = 45,406,683,012.25/236,187.20
  6. Step 6: Final answer
    x = 192,248.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.