Home / 316,532.19-474,845.22-91,894.50

Finding the Fourth Proportional to 316,532.19, 474,845.22 and 91,894.50

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Solution

The fourth proportional to 316,532.19, 474,845.22 and 91,894.50 is: 137,855.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,532.19 : 474,845.22 = 91,894.50 : x
  2. Step 2: Convert to fraction form
    316,532.19/474,845.22 = 91,894.50/x
  3. Step 3: Cross multiply
    316,532.19x = 474,845.22 × 91,894.50
  4. Step 4: Simplify right side
    316,532.19x = 43,635,664,069.29
  5. Step 5: Solve for x
    x = 43,635,664,069.29/316,532.19
  6. Step 6: Final answer
    x = 137,855.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.