Home / 194,188.89-291,312.05-99,472.66

Finding the Fourth Proportional to 194,188.89, 291,312.05 and 99,472.66

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Solution

The fourth proportional to 194,188.89, 291,312.05 and 99,472.66 is: 149,223.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,188.89 : 291,312.05 = 99,472.66 : x
  2. Step 2: Convert to fraction form
    194,188.89/291,312.05 = 99,472.66/x
  3. Step 3: Cross multiply
    194,188.89x = 291,312.05 × 99,472.66
  4. Step 4: Simplify right side
    194,188.89x = 28,977,583,277.91
  5. Step 5: Solve for x
    x = 28,977,583,277.91/194,188.89
  6. Step 6: Final answer
    x = 149,223.69

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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.