Home / 251,572.03-347,172.28-144,139.91

Finding the Fourth Proportional to 251,572.03, 347,172.28 and 144,139.91

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Solution

The fourth proportional to 251,572.03, 347,172.28 and 144,139.91 is: 198,914.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,572.03 : 347,172.28 = 144,139.91 : x
  2. Step 2: Convert to fraction form
    251,572.03/347,172.28 = 144,139.91/x
  3. Step 3: Cross multiply
    251,572.03x = 347,172.28 × 144,139.91
  4. Step 4: Simplify right side
    251,572.03x = 50,041,379,097.48
  5. Step 5: Solve for x
    x = 50,041,379,097.48/251,572.03
  6. Step 6: Final answer
    x = 198,914.72

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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.