Home / 104,023.36-143,568.32-68,316.96

Finding the Fourth Proportional to 104,023.36, 143,568.32 and 68,316.96

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Solution

The fourth proportional to 104,023.36, 143,568.32 and 68,316.96 is: 94,287.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,023.36 : 143,568.32 = 68,316.96 : x
  2. Step 2: Convert to fraction form
    104,023.36/143,568.32 = 68,316.96/x
  3. Step 3: Cross multiply
    104,023.36x = 143,568.32 × 68,316.96
  4. Step 4: Simplify right side
    104,023.36x = 9,808,151,174.71
  5. Step 5: Solve for x
    x = 9,808,151,174.71/104,023.36
  6. Step 6: Final answer
    x = 94,287.97

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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.