Home / 293,218.20-439,740.90-115,666.20

Finding the Fourth Proportional to 293,218.20, 439,740.90 and 115,666.20

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Solution

The fourth proportional to 293,218.20, 439,740.90 and 115,666.20 is: 173,465.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,218.20 : 439,740.90 = 115,666.20 : x
  2. Step 2: Convert to fraction form
    293,218.20/439,740.90 = 115,666.20/x
  3. Step 3: Cross multiply
    293,218.20x = 439,740.90 × 115,666.20
  4. Step 4: Simplify right side
    293,218.20x = 50,863,158,887.58
  5. Step 5: Solve for x
    x = 50,863,158,887.58/293,218.20
  6. Step 6: Final answer
    x = 173,465.22

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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.