Home / 319,775.85-441,279.11-176,532.81

Finding the Fourth Proportional to 319,775.85, 441,279.11 and 176,532.81

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Solution

The fourth proportional to 319,775.85, 441,279.11 and 176,532.81 is: 243,608.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,775.85 : 441,279.11 = 176,532.81 : x
  2. Step 2: Convert to fraction form
    319,775.85/441,279.11 = 176,532.81/x
  3. Step 3: Cross multiply
    319,775.85x = 441,279.11 × 176,532.81
  4. Step 4: Simplify right side
    319,775.85x = 77,900,240,399.94
  5. Step 5: Solve for x
    x = 77,900,240,399.94/319,775.85
  6. Step 6: Final answer
    x = 243,608.89

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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.