Home / 140,210.92-193,495.38-76,552.84

Finding the Fourth Proportional to 140,210.92, 193,495.38 and 76,552.84

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Solution

The fourth proportional to 140,210.92, 193,495.38 and 76,552.84 is: 105,645.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,210.92 : 193,495.38 = 76,552.84 : x
  2. Step 2: Convert to fraction form
    140,210.92/193,495.38 = 76,552.84/x
  3. Step 3: Cross multiply
    140,210.92x = 193,495.38 × 76,552.84
  4. Step 4: Simplify right side
    140,210.92x = 14,812,620,865.88
  5. Step 5: Solve for x
    x = 14,812,620,865.88/140,210.92
  6. Step 6: Final answer
    x = 105,645.27

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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.