Home / 142,582.19-196,763.58-88,867.16

Finding the Fourth Proportional to 142,582.19, 196,763.58 and 88,867.16

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Solution

The fourth proportional to 142,582.19, 196,763.58 and 88,867.16 is: 122,636.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,582.19 : 196,763.58 = 88,867.16 : x
  2. Step 2: Convert to fraction form
    142,582.19/196,763.58 = 88,867.16/x
  3. Step 3: Cross multiply
    142,582.19x = 196,763.58 × 88,867.16
  4. Step 4: Simplify right side
    142,582.19x = 17,485,819,562.21
  5. Step 5: Solve for x
    x = 17,485,819,562.21/142,582.19
  6. Step 6: Final answer
    x = 122,636.78

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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.