Home / 104,170.51-143,754.04-63,321.10

Finding the Fourth Proportional to 104,170.51, 143,754.04 and 63,321.10

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Solution

The fourth proportional to 104,170.51, 143,754.04 and 63,321.10 is: 87,382.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,170.51 : 143,754.04 = 63,321.10 : x
  2. Step 2: Convert to fraction form
    104,170.51/143,754.04 = 63,321.10/x
  3. Step 3: Cross multiply
    104,170.51x = 143,754.04 × 63,321.10
  4. Step 4: Simplify right side
    104,170.51x = 9,102,664,066.32
  5. Step 5: Solve for x
    x = 9,102,664,066.32/104,170.51
  6. Step 6: Final answer
    x = 87,382.35

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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.