Home / 355,238.20-532,922.10-144,897.40

Finding the Fourth Proportional to 355,238.20, 532,922.10 and 144,897.40

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Solution

The fourth proportional to 355,238.20, 532,922.10 and 144,897.40 is: 217,372.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,238.20 : 532,922.10 = 144,897.40 : x
  2. Step 2: Convert to fraction form
    355,238.20/532,922.10 = 144,897.40/x
  3. Step 3: Cross multiply
    355,238.20x = 532,922.10 × 144,897.40
  4. Step 4: Simplify right side
    355,238.20x = 77,219,026,692.54
  5. Step 5: Solve for x
    x = 77,219,026,692.54/355,238.20
  6. Step 6: Final answer
    x = 217,372.53

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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.