Home / 154,234.21-212,831.49-93,796.51

Finding the Fourth Proportional to 154,234.21, 212,831.49 and 93,796.51

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Solution

The fourth proportional to 154,234.21, 212,831.49 and 93,796.51 is: 129,432.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,234.21 : 212,831.49 = 93,796.51 : x
  2. Step 2: Convert to fraction form
    154,234.21/212,831.49 = 93,796.51/x
  3. Step 3: Cross multiply
    154,234.21x = 212,831.49 × 93,796.51
  4. Step 4: Simplify right side
    154,234.21x = 19,962,850,980.10
  5. Step 5: Solve for x
    x = 19,962,850,980.10/154,234.21
  6. Step 6: Final answer
    x = 129,432.06

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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.