Home / 149,931.54-224,934.22-105,644.78

Finding the Fourth Proportional to 149,931.54, 224,934.22 and 105,644.78

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Solution

The fourth proportional to 149,931.54, 224,934.22 and 105,644.78 is: 158,493.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,931.54 : 224,934.22 = 105,644.78 : x
  2. Step 2: Convert to fraction form
    149,931.54/224,934.22 = 105,644.78/x
  3. Step 3: Cross multiply
    149,931.54x = 224,934.22 × 105,644.78
  4. Step 4: Simplify right side
    149,931.54x = 23,763,126,186.37
  5. Step 5: Solve for x
    x = 23,763,126,186.37/149,931.54
  6. Step 6: Final answer
    x = 158,493.18

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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.