Home / 319,080.20-440,333.69-175,845.47

Finding the Fourth Proportional to 319,080.20, 440,333.69 and 175,845.47

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Solution

The fourth proportional to 319,080.20, 440,333.69 and 175,845.47 is: 242,668.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,080.20 : 440,333.69 = 175,845.47 : x
  2. Step 2: Convert to fraction form
    319,080.20/440,333.69 = 175,845.47/x
  3. Step 3: Cross multiply
    319,080.20x = 440,333.69 × 175,845.47
  4. Step 4: Simplify right side
    319,080.20x = 77,430,681,593.99
  5. Step 5: Solve for x
    x = 77,430,681,593.99/319,080.20
  6. Step 6: Final answer
    x = 242,668.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.