Home / 140,127.55-193,376.51-76,466.41

Finding the Fourth Proportional to 140,127.55, 193,376.51 and 76,466.41

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Solution

The fourth proportional to 140,127.55, 193,376.51 and 76,466.41 is: 105,523.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,127.55 : 193,376.51 = 76,466.41 : x
  2. Step 2: Convert to fraction form
    140,127.55/193,376.51 = 76,466.41/x
  3. Step 3: Cross multiply
    140,127.55x = 193,376.51 × 76,466.41
  4. Step 4: Simplify right side
    140,127.55x = 14,786,807,498.03
  5. Step 5: Solve for x
    x = 14,786,807,498.03/140,127.55
  6. Step 6: Final answer
    x = 105,523.91

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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.