Home / 212,831.49-293,709.50-117,341.61

Finding the Fourth Proportional to 212,831.49, 293,709.50 and 117,341.61

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Solution

The fourth proportional to 212,831.49, 293,709.50 and 117,341.61 is: 161,932.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,831.49 : 293,709.50 = 117,341.61 : x
  2. Step 2: Convert to fraction form
    212,831.49/293,709.50 = 117,341.61/x
  3. Step 3: Cross multiply
    212,831.49x = 293,709.50 × 117,341.61
  4. Step 4: Simplify right side
    212,831.49x = 34,464,345,015.59
  5. Step 5: Solve for x
    x = 34,464,345,015.59/212,831.49
  6. Step 6: Final answer
    x = 161,932.55

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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.