Home / 134,666.46-185,831.37-74,233.98

Finding the Fourth Proportional to 134,666.46, 185,831.37 and 74,233.98

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Solution

The fourth proportional to 134,666.46, 185,831.37 and 74,233.98 is: 102,438.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,666.46 : 185,831.37 = 74,233.98 : x
  2. Step 2: Convert to fraction form
    134,666.46/185,831.37 = 74,233.98/x
  3. Step 3: Cross multiply
    134,666.46x = 185,831.37 × 74,233.98
  4. Step 4: Simplify right side
    134,666.46x = 13,795,002,203.95
  5. Step 5: Solve for x
    x = 13,795,002,203.95/134,666.46
  6. Step 6: Final answer
    x = 102,438.29

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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.