Home / 320,159.39-441,820.10-176,919.42

Finding the Fourth Proportional to 320,159.39, 441,820.10 and 176,919.42

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Solution

The fourth proportional to 320,159.39, 441,820.10 and 176,919.42 is: 244,148.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,159.39 : 441,820.10 = 176,919.42 : x
  2. Step 2: Convert to fraction form
    320,159.39/441,820.10 = 176,919.42/x
  3. Step 3: Cross multiply
    320,159.39x = 441,820.10 × 176,919.42
  4. Step 4: Simplify right side
    320,159.39x = 78,166,557,935.47
  5. Step 5: Solve for x
    x = 78,166,557,935.47/320,159.39
  6. Step 6: Final answer
    x = 244,148.89

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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.