Home / 194,549.20-291,823.80-54,307.60

Finding the Fourth Proportional to 194,549.20, 291,823.80 and 54,307.60

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Solution

The fourth proportional to 194,549.20, 291,823.80 and 54,307.60 is: 81,461.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,549.20 : 291,823.80 = 54,307.60 : x
  2. Step 2: Convert to fraction form
    194,549.20/291,823.80 = 54,307.60/x
  3. Step 3: Cross multiply
    194,549.20x = 291,823.80 × 54,307.60
  4. Step 4: Simplify right side
    194,549.20x = 15,848,250,200.88
  5. Step 5: Solve for x
    x = 15,848,250,200.88/194,549.20
  6. Step 6: Final answer
    x = 81,461.40

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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.