Home / 426,058.12-639,417.66-160,060.60

Finding the Fourth Proportional to 426,058.12, 639,417.66 and 160,060.60

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Solution

The fourth proportional to 426,058.12, 639,417.66 and 160,060.60 is: 240,215.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,058.12 : 639,417.66 = 160,060.60 : x
  2. Step 2: Convert to fraction form
    426,058.12/639,417.66 = 160,060.60/x
  3. Step 3: Cross multiply
    426,058.12x = 639,417.66 × 160,060.60
  4. Step 4: Simplify right side
    426,058.12x = 102,345,574,310.20
  5. Step 5: Solve for x
    x = 102,345,574,310.20/426,058.12
  6. Step 6: Final answer
    x = 240,215.05

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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.