Home / 104,102.12-143,903.04-92,882.81

Finding the Fourth Proportional to 104,102.12, 143,903.04 and 92,882.81

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Solution

The fourth proportional to 104,102.12, 143,903.04 and 92,882.81 is: 128,394.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,102.12 : 143,903.04 = 92,882.81 : x
  2. Step 2: Convert to fraction form
    104,102.12/143,903.04 = 92,882.81/x
  3. Step 3: Cross multiply
    104,102.12x = 143,903.04 × 92,882.81
  4. Step 4: Simplify right side
    104,102.12x = 13,366,118,003.23
  5. Step 5: Solve for x
    x = 13,366,118,003.23/104,102.12
  6. Step 6: Final answer
    x = 128,394.30

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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.