Home / 142,410.11-213,428.30-104,794.05

Finding the Fourth Proportional to 142,410.11, 213,428.30 and 104,794.05

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Solution

The fourth proportional to 142,410.11, 213,428.30 and 104,794.05 is: 157,053.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,410.11 : 213,428.30 = 104,794.05 : x
  2. Step 2: Convert to fraction form
    142,410.11/213,428.30 = 104,794.05/x
  3. Step 3: Cross multiply
    142,410.11x = 213,428.30 × 104,794.05
  4. Step 4: Simplify right side
    142,410.11x = 22,366,015,417.64
  5. Step 5: Solve for x
    x = 22,366,015,417.64/142,410.11
  6. Step 6: Final answer
    x = 157,053.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.