Home / 149,931.05-224,933.45-105,644.30

Finding the Fourth Proportional to 149,931.05, 224,933.45 and 105,644.30

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Solution

The fourth proportional to 149,931.05, 224,933.45 and 105,644.30 is: 158,492.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,931.05 : 224,933.45 = 105,644.30 : x
  2. Step 2: Convert to fraction form
    149,931.05/224,933.45 = 105,644.30/x
  3. Step 3: Cross multiply
    149,931.05x = 224,933.45 × 105,644.30
  4. Step 4: Simplify right side
    149,931.05x = 23,762,935,218.95
  5. Step 5: Solve for x
    x = 23,762,935,218.95/149,931.05
  6. Step 6: Final answer
    x = 158,492.43

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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.