Home / 319,285.59-440,677.94-183,412.73

Finding the Fourth Proportional to 319,285.59, 440,677.94 and 183,412.73

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Solution

The fourth proportional to 319,285.59, 440,677.94 and 183,412.73 is: 253,146.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,285.59 : 440,677.94 = 183,412.73 : x
  2. Step 2: Convert to fraction form
    319,285.59/440,677.94 = 183,412.73/x
  3. Step 3: Cross multiply
    319,285.59x = 440,677.94 × 183,412.73
  4. Step 4: Simplify right side
    319,285.59x = 80,825,940,905.72
  5. Step 5: Solve for x
    x = 80,825,940,905.72/319,285.59
  6. Step 6: Final answer
    x = 253,146.22

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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.