Home / 319,610.25-441,061.74-176,370.30

Finding the Fourth Proportional to 319,610.25, 441,061.74 and 176,370.30

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Solution

The fourth proportional to 319,610.25, 441,061.74 and 176,370.30 is: 243,390.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,610.25 : 441,061.74 = 176,370.30 : x
  2. Step 2: Convert to fraction form
    319,610.25/441,061.74 = 176,370.30/x
  3. Step 3: Cross multiply
    319,610.25x = 441,061.74 × 176,370.30
  4. Step 4: Simplify right side
    319,610.25x = 77,790,191,402.32
  5. Step 5: Solve for x
    x = 77,790,191,402.32/319,610.25
  6. Step 6: Final answer
    x = 243,390.79

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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.