Home / 347,811.10-521,716.65-98,493.10

Finding the Fourth Proportional to 347,811.10, 521,716.65 and 98,493.10

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Solution

The fourth proportional to 347,811.10, 521,716.65 and 98,493.10 is: 147,739.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,811.10 : 521,716.65 = 98,493.10 : x
  2. Step 2: Convert to fraction form
    347,811.10/521,716.65 = 98,493.10/x
  3. Step 3: Cross multiply
    347,811.10x = 521,716.65 × 98,493.10
  4. Step 4: Simplify right side
    347,811.10x = 51,385,490,180.12
  5. Step 5: Solve for x
    x = 51,385,490,180.12/347,811.10
  6. Step 6: Final answer
    x = 147,739.65

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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.