Home / 261,573.13-391,339.93-229,295.98

Finding the Fourth Proportional to 261,573.13, 391,339.93 and 229,295.98

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Solution

The fourth proportional to 261,573.13, 391,339.93 and 229,295.98 is: 343,050.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,573.13 : 391,339.93 = 229,295.98 : x
  2. Step 2: Convert to fraction form
    261,573.13/391,339.93 = 229,295.98/x
  3. Step 3: Cross multiply
    261,573.13x = 391,339.93 × 229,295.98
  4. Step 4: Simplify right side
    261,573.13x = 89,732,672,762.48
  5. Step 5: Solve for x
    x = 89,732,672,762.48/261,573.13
  6. Step 6: Final answer
    x = 343,050.04

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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.