Home / 316,836.78-437,234.67-173,602.26

Finding the Fourth Proportional to 316,836.78, 437,234.67 and 173,602.26

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Solution

The fourth proportional to 316,836.78, 437,234.67 and 173,602.26 is: 239,571.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,836.78 : 437,234.67 = 173,602.26 : x
  2. Step 2: Convert to fraction form
    316,836.78/437,234.67 = 173,602.26/x
  3. Step 3: Cross multiply
    316,836.78x = 437,234.67 × 173,602.26
  4. Step 4: Simplify right side
    316,836.78x = 75,904,926,862.35
  5. Step 5: Solve for x
    x = 75,904,926,862.35/316,836.78
  6. Step 6: Final answer
    x = 239,571.07

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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.