Home / 293,132.80-439,699.20-115,645.60

Finding the Fourth Proportional to 293,132.80, 439,699.20 and 115,645.60

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Solution

The fourth proportional to 293,132.80, 439,699.20 and 115,645.60 is: 173,468.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,132.80 : 439,699.20 = 115,645.60 : x
  2. Step 2: Convert to fraction form
    293,132.80/439,699.20 = 115,645.60/x
  3. Step 3: Cross multiply
    293,132.80x = 439,699.20 × 115,645.60
  4. Step 4: Simplify right side
    293,132.80x = 50,849,277,803.52
  5. Step 5: Solve for x
    x = 50,849,277,803.52/293,132.80
  6. Step 6: Final answer
    x = 173,468.40

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Similar ratio
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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.