Home / 347,731.55-521,597.33-189,873.89

Finding the Fourth Proportional to 347,731.55, 521,597.33 and 189,873.89

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Solution

The fourth proportional to 347,731.55, 521,597.33 and 189,873.89 is: 284,810.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,731.55 : 521,597.33 = 189,873.89 : x
  2. Step 2: Convert to fraction form
    347,731.55/521,597.33 = 189,873.89/x
  3. Step 3: Cross multiply
    347,731.55x = 521,597.33 × 189,873.89
  4. Step 4: Simplify right side
    347,731.55x = 99,037,710,503.36
  5. Step 5: Solve for x
    x = 99,037,710,503.36/347,731.55
  6. Step 6: Final answer
    x = 284,810.83

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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.