Home / 142,410.87-196,460.07-101,584.01

Finding the Fourth Proportional to 142,410.87, 196,460.07 and 101,584.01

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Solution

The fourth proportional to 142,410.87, 196,460.07 and 101,584.01 is: 140,138.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,410.87 : 196,460.07 = 101,584.01 : x
  2. Step 2: Convert to fraction form
    142,410.87/196,460.07 = 101,584.01/x
  3. Step 3: Cross multiply
    142,410.87x = 196,460.07 × 101,584.01
  4. Step 4: Simplify right side
    142,410.87x = 19,957,201,715.48
  5. Step 5: Solve for x
    x = 19,957,201,715.48/142,410.87
  6. Step 6: Final answer
    x = 140,138.19

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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.