Home / 141,458.93-195,214.12-76,928.92

Finding the Fourth Proportional to 141,458.93, 195,214.12 and 76,928.92

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Solution

The fourth proportional to 141,458.93, 195,214.12 and 76,928.92 is: 106,162.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,458.93 : 195,214.12 = 76,928.92 : x
  2. Step 2: Convert to fraction form
    141,458.93/195,214.12 = 76,928.92/x
  3. Step 3: Cross multiply
    141,458.93x = 195,214.12 × 76,928.92
  4. Step 4: Simplify right side
    141,458.93x = 15,017,610,739.99
  5. Step 5: Solve for x
    x = 15,017,610,739.99/141,458.93
  6. Step 6: Final answer
    x = 106,162.34

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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.