Home / 319,661.64-441,136.13-176,418.61

Finding the Fourth Proportional to 319,661.64, 441,136.13 and 176,418.61

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Solution

The fourth proportional to 319,661.64, 441,136.13 and 176,418.61 is: 243,459.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,661.64 : 441,136.13 = 176,418.61 : x
  2. Step 2: Convert to fraction form
    319,661.64/441,136.13 = 176,418.61/x
  3. Step 3: Cross multiply
    319,661.64x = 441,136.13 × 176,418.61
  4. Step 4: Simplify right side
    319,661.64x = 77,824,620,890.45
  5. Step 5: Solve for x
    x = 77,824,620,890.45/319,661.64
  6. Step 6: Final answer
    x = 243,459.37

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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.