Home / 140,334.87-193,675.28-76,682.10

Finding the Fourth Proportional to 140,334.87, 193,675.28 and 76,682.10

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Solution

The fourth proportional to 140,334.87, 193,675.28 and 76,682.10 is: 105,828.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,334.87 : 193,675.28 = 76,682.10 : x
  2. Step 2: Convert to fraction form
    140,334.87/193,675.28 = 76,682.10/x
  3. Step 3: Cross multiply
    140,334.87x = 193,675.28 × 76,682.10
  4. Step 4: Simplify right side
    140,334.87x = 14,851,426,805.08
  5. Step 5: Solve for x
    x = 14,851,426,805.08/140,334.87
  6. Step 6: Final answer
    x = 105,828.49

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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.