Home / 110,868.80-153,035.04-82,667.84

Finding the Fourth Proportional to 110,868.80, 153,035.04 and 82,667.84

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Solution

The fourth proportional to 110,868.80, 153,035.04 and 82,667.84 is: 114,108.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,868.80 : 153,035.04 = 82,667.84 : x
  2. Step 2: Convert to fraction form
    110,868.80/153,035.04 = 82,667.84/x
  3. Step 3: Cross multiply
    110,868.80x = 153,035.04 × 82,667.84
  4. Step 4: Simplify right side
    110,868.80x = 12,651,076,201.11
  5. Step 5: Solve for x
    x = 12,651,076,201.11/110,868.80
  6. Step 6: Final answer
    x = 114,108.53

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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.