Home / 142,925.40-197,227.44-79,260.84

Finding the Fourth Proportional to 142,925.40, 197,227.44 and 79,260.84

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Solution

The fourth proportional to 142,925.40, 197,227.44 and 79,260.84 is: 109,374.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,925.40 : 197,227.44 = 79,260.84 : x
  2. Step 2: Convert to fraction form
    142,925.40/197,227.44 = 79,260.84/x
  3. Step 3: Cross multiply
    142,925.40x = 197,227.44 × 79,260.84
  4. Step 4: Simplify right side
    142,925.40x = 15,632,412,565.45
  5. Step 5: Solve for x
    x = 15,632,412,565.45/142,925.40
  6. Step 6: Final answer
    x = 109,374.63

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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.