Home / 355,229.20-532,908.60-144,888.40

Finding the Fourth Proportional to 355,229.20, 532,908.60 and 144,888.40

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Solution

The fourth proportional to 355,229.20, 532,908.60 and 144,888.40 is: 217,359.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,229.20 : 532,908.60 = 144,888.40 : x
  2. Step 2: Convert to fraction form
    355,229.20/532,908.60 = 144,888.40/x
  3. Step 3: Cross multiply
    355,229.20x = 532,908.60 × 144,888.40
  4. Step 4: Simplify right side
    355,229.20x = 77,212,274,400.24
  5. Step 5: Solve for x
    x = 77,212,274,400.24/355,229.20
  6. Step 6: Final answer
    x = 217,359.03

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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.