Home / 171,831.36-236,588.40-156,084.96

Finding the Fourth Proportional to 171,831.36, 236,588.40 and 156,084.96

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Solution

The fourth proportional to 171,831.36, 236,588.40 and 156,084.96 is: 214,907.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,831.36 : 236,588.40 = 156,084.96 : x
  2. Step 2: Convert to fraction form
    171,831.36/236,588.40 = 156,084.96/x
  3. Step 3: Cross multiply
    171,831.36x = 236,588.40 × 156,084.96
  4. Step 4: Simplify right side
    171,831.36x = 36,927,890,950.46
  5. Step 5: Solve for x
    x = 36,927,890,950.46/171,831.36
  6. Step 6: Final answer
    x = 214,907.75

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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.