Home / 142,022.87-196,062.58-88,325.18

Finding the Fourth Proportional to 142,022.87, 196,062.58 and 88,325.18

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Solution

The fourth proportional to 142,022.87, 196,062.58 and 88,325.18 is: 121,932.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,022.87 : 196,062.58 = 88,325.18 : x
  2. Step 2: Convert to fraction form
    142,022.87/196,062.58 = 88,325.18/x
  3. Step 3: Cross multiply
    142,022.87x = 196,062.58 × 88,325.18
  4. Step 4: Simplify right side
    142,022.87x = 17,317,262,228.14
  5. Step 5: Solve for x
    x = 17,317,262,228.14/142,022.87
  6. Step 6: Final answer
    x = 121,932.92

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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.