Home / 140,214.66-193,500.82-76,557.30

Finding the Fourth Proportional to 140,214.66, 193,500.82 and 76,557.30

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Solution

The fourth proportional to 140,214.66, 193,500.82 and 76,557.30 is: 105,651.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,214.66 : 193,500.82 = 76,557.30 : x
  2. Step 2: Convert to fraction form
    140,214.66/193,500.82 = 76,557.30/x
  3. Step 3: Cross multiply
    140,214.66x = 193,500.82 × 76,557.30
  4. Step 4: Simplify right side
    140,214.66x = 14,813,900,326.99
  5. Step 5: Solve for x
    x = 14,813,900,326.99/140,214.66
  6. Step 6: Final answer
    x = 105,651.58

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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.