Home / 194,204.16-291,376-67,862.72

Finding the Fourth Proportional to 194,204.16, 291,376 and 67,862.72

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Solution

The fourth proportional to 194,204.16, 291,376 and 67,862.72 is: 101,818.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,204.16 : 291,376 = 67,862.72 : x
  2. Step 2: Convert to fraction form
    194,204.16/291,376 = 67,862.72/x
  3. Step 3: Cross multiply
    194,204.16x = 291,376 × 67,862.72
  4. Step 4: Simplify right side
    194,204.16x = 19,773,567,902.72
  5. Step 5: Solve for x
    x = 19,773,567,902.72/194,204.16
  6. Step 6: Final answer
    x = 101,818.46

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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.