Home / 194,312.72-291,515.20-61,192.60

Finding the Fourth Proportional to 194,312.72, 291,515.20 and 61,192.60

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Solution

The fourth proportional to 194,312.72, 291,515.20 and 61,192.60 is: 91,803.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,312.72 : 291,515.20 = 61,192.60 : x
  2. Step 2: Convert to fraction form
    194,312.72/291,515.20 = 61,192.60/x
  3. Step 3: Cross multiply
    194,312.72x = 291,515.20 × 61,192.60
  4. Step 4: Simplify right side
    194,312.72x = 17,838,573,027.52
  5. Step 5: Solve for x
    x = 17,838,573,027.52/194,312.72
  6. Step 6: Final answer
    x = 91,803.42

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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.