Home / 347,660.02-521,570.90-107,761.20

Finding the Fourth Proportional to 347,660.02, 521,570.90 and 107,761.20

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Solution

The fourth proportional to 347,660.02, 521,570.90 and 107,761.20 is: 161,666.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,660.02 : 521,570.90 = 107,761.20 : x
  2. Step 2: Convert to fraction form
    347,660.02/521,570.90 = 107,761.20/x
  3. Step 3: Cross multiply
    347,660.02x = 521,570.90 × 107,761.20
  4. Step 4: Simplify right side
    347,660.02x = 56,205,106,069.08
  5. Step 5: Solve for x
    x = 56,205,106,069.08/347,660.02
  6. Step 6: Final answer
    x = 161,666.87

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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.