Home / 353,113.20-529,669.80-187,225.20

Finding the Fourth Proportional to 353,113.20, 529,669.80 and 187,225.20

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Solution

The fourth proportional to 353,113.20, 529,669.80 and 187,225.20 is: 280,837.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,113.20 : 529,669.80 = 187,225.20 : x
  2. Step 2: Convert to fraction form
    353,113.20/529,669.80 = 187,225.20/x
  3. Step 3: Cross multiply
    353,113.20x = 529,669.80 × 187,225.20
  4. Step 4: Simplify right side
    353,113.20x = 99,167,534,238.96
  5. Step 5: Solve for x
    x = 99,167,534,238.96/353,113.20
  6. Step 6: Final answer
    x = 280,837.80

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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.