Home / 180,408.86-248,961.76-99,831.48

Finding the Fourth Proportional to 180,408.86, 248,961.76 and 99,831.48

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Solution

The fourth proportional to 180,408.86, 248,961.76 and 99,831.48 is: 137,766.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,408.86 : 248,961.76 = 99,831.48 : x
  2. Step 2: Convert to fraction form
    180,408.86/248,961.76 = 99,831.48/x
  3. Step 3: Cross multiply
    180,408.86x = 248,961.76 × 99,831.48
  4. Step 4: Simplify right side
    180,408.86x = 24,854,220,964.20
  5. Step 5: Solve for x
    x = 24,854,220,964.20/180,408.86
  6. Step 6: Final answer
    x = 137,766.08

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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.