Home / 121,831.19-182,777.96-46,931.23

Finding the Fourth Proportional to 121,831.19, 182,777.96 and 46,931.23

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Solution

The fourth proportional to 121,831.19, 182,777.96 and 46,931.23 is: 70,408.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,831.19 : 182,777.96 = 46,931.23 : x
  2. Step 2: Convert to fraction form
    121,831.19/182,777.96 = 46,931.23/x
  3. Step 3: Cross multiply
    121,831.19x = 182,777.96 × 46,931.23
  4. Step 4: Simplify right side
    121,831.19x = 8,577,994,825.49
  5. Step 5: Solve for x
    x = 8,577,994,825.49/121,831.19
  6. Step 6: Final answer
    x = 70,408.85

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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.