Home / 293,150.80-439,726.20-115,663.60

Finding the Fourth Proportional to 293,150.80, 439,726.20 and 115,663.60

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Solution

The fourth proportional to 293,150.80, 439,726.20 and 115,663.60 is: 173,495.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,150.80 : 439,726.20 = 115,663.60 : x
  2. Step 2: Convert to fraction form
    293,150.80/439,726.20 = 115,663.60/x
  3. Step 3: Cross multiply
    293,150.80x = 439,726.20 × 115,663.60
  4. Step 4: Simplify right side
    293,150.80x = 50,860,315,306.32
  5. Step 5: Solve for x
    x = 50,860,315,306.32/293,150.80
  6. Step 6: Final answer
    x = 173,495.40

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1.5x scale

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.