Home / 319,929.04-441,505.40-176,692.72

Finding the Fourth Proportional to 319,929.04, 441,505.40 and 176,692.72

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Solution

The fourth proportional to 319,929.04, 441,505.40 and 176,692.72 is: 243,837.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,929.04 : 441,505.40 = 176,692.72 : x
  2. Step 2: Convert to fraction form
    319,929.04/441,505.40 = 176,692.72/x
  3. Step 3: Cross multiply
    319,929.04x = 441,505.40 × 176,692.72
  4. Step 4: Simplify right side
    319,929.04x = 78,010,790,020.69
  5. Step 5: Solve for x
    x = 78,010,790,020.69/319,929.04
  6. Step 6: Final answer
    x = 243,837.79

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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.