Home / 114,557.45-171,836.18-99,795.20

Finding the Fourth Proportional to 114,557.45, 171,836.18 and 99,795.20

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Solution

The fourth proportional to 114,557.45, 171,836.18 and 99,795.20 is: 149,692.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,557.45 : 171,836.18 = 99,795.20 : x
  2. Step 2: Convert to fraction form
    114,557.45/171,836.18 = 99,795.20/x
  3. Step 3: Cross multiply
    114,557.45x = 171,836.18 × 99,795.20
  4. Step 4: Simplify right side
    114,557.45x = 17,148,425,950.34
  5. Step 5: Solve for x
    x = 17,148,425,950.34/114,557.45
  6. Step 6: Final answer
    x = 149,692.80

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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.