Home / 320,030.54-441,658.59-176,789.42

Finding the Fourth Proportional to 320,030.54, 441,658.59 and 176,789.42

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Solution

The fourth proportional to 320,030.54, 441,658.59 and 176,789.42 is: 243,978.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,030.54 : 441,658.59 = 176,789.42 : x
  2. Step 2: Convert to fraction form
    320,030.54/441,658.59 = 176,789.42/x
  3. Step 3: Cross multiply
    320,030.54x = 441,658.59 × 176,789.42
  4. Step 4: Simplify right side
    320,030.54x = 78,080,565,964.12
  5. Step 5: Solve for x
    x = 78,080,565,964.12/320,030.54
  6. Step 6: Final answer
    x = 243,978.48

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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.