Home / 114,890.11-158,470.42-74,531.74

Finding the Fourth Proportional to 114,890.11, 158,470.42 and 74,531.74

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Solution

The fourth proportional to 114,890.11, 158,470.42 and 74,531.74 is: 102,803.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,890.11 : 158,470.42 = 74,531.74 : x
  2. Step 2: Convert to fraction form
    114,890.11/158,470.42 = 74,531.74/x
  3. Step 3: Cross multiply
    114,890.11x = 158,470.42 × 74,531.74
  4. Step 4: Simplify right side
    114,890.11x = 11,811,076,141.13
  5. Step 5: Solve for x
    x = 11,811,076,141.13/114,890.11
  6. Step 6: Final answer
    x = 102,803.25

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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.