Home / 99,156.13-148,450.79-92,871.24

Finding the Fourth Proportional to 99,156.13, 148,450.79 and 92,871.24

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Solution

The fourth proportional to 99,156.13, 148,450.79 and 92,871.24 is: 139,041.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,156.13 : 148,450.79 = 92,871.24 : x
  2. Step 2: Convert to fraction form
    99,156.13/148,450.79 = 92,871.24/x
  3. Step 3: Cross multiply
    99,156.13x = 148,450.79 × 92,871.24
  4. Step 4: Simplify right side
    99,156.13x = 13,786,808,946.28
  5. Step 5: Solve for x
    x = 13,786,808,946.28/99,156.13
  6. Step 6: Final answer
    x = 139,041.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.