Home / 316,530.19-474,842.22-91,892.49

Finding the Fourth Proportional to 316,530.19, 474,842.22 and 91,892.49

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Solution

The fourth proportional to 316,530.19, 474,842.22 and 91,892.49 is: 137,852.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,530.19 : 474,842.22 = 91,892.49 : x
  2. Step 2: Convert to fraction form
    316,530.19/474,842.22 = 91,892.49/x
  3. Step 3: Cross multiply
    316,530.19x = 474,842.22 × 91,892.49
  4. Step 4: Simplify right side
    316,530.19x = 43,634,433,952.93
  5. Step 5: Solve for x
    x = 43,634,433,952.93/316,530.19
  6. Step 6: Final answer
    x = 137,852.36

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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.