Home / 140,207.84-193,477.92-83,620.16

Finding the Fourth Proportional to 140,207.84, 193,477.92 and 83,620.16

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Solution

The fourth proportional to 140,207.84, 193,477.92 and 83,620.16 is: 115,390.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,207.84 : 193,477.92 = 83,620.16 : x
  2. Step 2: Convert to fraction form
    140,207.84/193,477.92 = 83,620.16/x
  3. Step 3: Cross multiply
    140,207.84x = 193,477.92 × 83,620.16
  4. Step 4: Simplify right side
    140,207.84x = 16,178,654,626.87
  5. Step 5: Solve for x
    x = 16,178,654,626.87/140,207.84
  6. Step 6: Final answer
    x = 115,390.51

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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.