Home / 316,522.73-474,784.95-79,865.39

Finding the Fourth Proportional to 316,522.73, 474,784.95 and 79,865.39

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Solution

The fourth proportional to 316,522.73, 474,784.95 and 79,865.39 is: 119,798.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,522.73 : 474,784.95 = 79,865.39 : x
  2. Step 2: Convert to fraction form
    316,522.73/474,784.95 = 79,865.39/x
  3. Step 3: Cross multiply
    316,522.73x = 474,784.95 × 79,865.39
  4. Step 4: Simplify right side
    316,522.73x = 37,918,885,197.88
  5. Step 5: Solve for x
    x = 37,918,885,197.88/316,522.73
  6. Step 6: Final answer
    x = 119,798.30

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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.