Home / 426,559.58-639,347.22-160,150.18

Finding the Fourth Proportional to 426,559.58, 639,347.22 and 160,150.18

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Solution

The fourth proportional to 426,559.58, 639,347.22 and 160,150.18 is: 240,040.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,559.58 : 639,347.22 = 160,150.18 : x
  2. Step 2: Convert to fraction form
    426,559.58/639,347.22 = 160,150.18/x
  3. Step 3: Cross multiply
    426,559.58x = 639,347.22 × 160,150.18
  4. Step 4: Simplify right side
    426,559.58x = 102,391,572,365.50
  5. Step 5: Solve for x
    x = 102,391,572,365.50/426,559.58
  6. Step 6: Final answer
    x = 240,040.49

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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.