Home / 140,762.51-194,252.30-77,102.59

Finding the Fourth Proportional to 140,762.51, 194,252.30 and 77,102.59

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Solution

The fourth proportional to 140,762.51, 194,252.30 and 77,102.59 is: 106,401.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,762.51 : 194,252.30 = 77,102.59 : x
  2. Step 2: Convert to fraction form
    140,762.51/194,252.30 = 77,102.59/x
  3. Step 3: Cross multiply
    140,762.51x = 194,252.30 × 77,102.59
  4. Step 4: Simplify right side
    140,762.51x = 14,977,355,443.46
  5. Step 5: Solve for x
    x = 14,977,355,443.46/140,762.51
  6. Step 6: Final answer
    x = 106,401.59

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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.