Home / 164,831.42-247,291.51-84,825.79

Finding the Fourth Proportional to 164,831.42, 247,291.51 and 84,825.79

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Solution

The fourth proportional to 164,831.42, 247,291.51 and 84,825.79 is: 127,261.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,831.42 : 247,291.51 = 84,825.79 : x
  2. Step 2: Convert to fraction form
    164,831.42/247,291.51 = 84,825.79/x
  3. Step 3: Cross multiply
    164,831.42x = 247,291.51 × 84,825.79
  4. Step 4: Simplify right side
    164,831.42x = 20,976,697,490.85
  5. Step 5: Solve for x
    x = 20,976,697,490.85/164,831.42
  6. Step 6: Final answer
    x = 127,261.52

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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.