Home / 319,648.67-441,102.27-176,406.85

Finding the Fourth Proportional to 319,648.67, 441,102.27 and 176,406.85

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Solution

The fourth proportional to 319,648.67, 441,102.27 and 176,406.85 is: 243,434.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,648.67 : 441,102.27 = 176,406.85 : x
  2. Step 2: Convert to fraction form
    319,648.67/441,102.27 = 176,406.85/x
  3. Step 3: Cross multiply
    319,648.67x = 441,102.27 × 176,406.85
  4. Step 4: Simplify right side
    319,648.67x = 77,813,461,978.55
  5. Step 5: Solve for x
    x = 77,813,461,978.55/319,648.67
  6. Step 6: Final answer
    x = 243,434.34

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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.