Home / 114,780.30-158,351.43-66,373.35

Finding the Fourth Proportional to 114,780.30, 158,351.43 and 66,373.35

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Solution

The fourth proportional to 114,780.30, 158,351.43 and 66,373.35 is: 91,568.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,780.30 : 158,351.43 = 66,373.35 : x
  2. Step 2: Convert to fraction form
    114,780.30/158,351.43 = 66,373.35/x
  3. Step 3: Cross multiply
    114,780.30x = 158,351.43 × 66,373.35
  4. Step 4: Simplify right side
    114,780.30x = 10,510,314,886.39
  5. Step 5: Solve for x
    x = 10,510,314,886.39/114,780.30
  6. Step 6: Final answer
    x = 91,568.98

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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.