Home / 114,540.84-158,005.34-66,776.76

Finding the Fourth Proportional to 114,540.84, 158,005.34 and 66,776.76

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Solution

The fourth proportional to 114,540.84, 158,005.34 and 66,776.76 is: 92,116.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,540.84 : 158,005.34 = 66,776.76 : x
  2. Step 2: Convert to fraction form
    114,540.84/158,005.34 = 66,776.76/x
  3. Step 3: Cross multiply
    114,540.84x = 158,005.34 × 66,776.76
  4. Step 4: Simplify right side
    114,540.84x = 10,551,084,667.90
  5. Step 5: Solve for x
    x = 10,551,084,667.90/114,540.84
  6. Step 6: Final answer
    x = 92,116.35

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1.5x scale

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.