Home / 140,089.68-193,297.30-83,506.32

Finding the Fourth Proportional to 140,089.68, 193,297.30 and 83,506.32

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Solution

The fourth proportional to 140,089.68, 193,297.30 and 83,506.32 is: 115,222.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,089.68 : 193,297.30 = 83,506.32 : x
  2. Step 2: Convert to fraction form
    140,089.68/193,297.30 = 83,506.32/x
  3. Step 3: Cross multiply
    140,089.68x = 193,297.30 × 83,506.32
  4. Step 4: Simplify right side
    140,089.68x = 16,141,546,188.94
  5. Step 5: Solve for x
    x = 16,141,546,188.94/140,089.68
  6. Step 6: Final answer
    x = 115,222.95

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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.