Home / 316,158.07-474,261.84-91,521.87

Finding the Fourth Proportional to 316,158.07, 474,261.84 and 91,521.87

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Solution

The fourth proportional to 316,158.07, 474,261.84 and 91,521.87 is: 137,289.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,158.07 : 474,261.84 = 91,521.87 : x
  2. Step 2: Convert to fraction form
    316,158.07/474,261.84 = 91,521.87/x
  3. Step 3: Cross multiply
    316,158.07x = 474,261.84 × 91,521.87
  4. Step 4: Simplify right side
    316,158.07x = 43,405,330,466.44
  5. Step 5: Solve for x
    x = 43,405,330,466.44/316,158.07
  6. Step 6: Final answer
    x = 137,289.97

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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.