Home / 194,615.64-291,819.60-99,807.35

Finding the Fourth Proportional to 194,615.64, 291,819.60 and 99,807.35

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Solution

The fourth proportional to 194,615.64, 291,819.60 and 99,807.35 is: 149,657.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,615.64 : 291,819.60 = 99,807.35 : x
  2. Step 2: Convert to fraction form
    194,615.64/291,819.60 = 99,807.35/x
  3. Step 3: Cross multiply
    194,615.64x = 291,819.60 × 99,807.35
  4. Step 4: Simplify right side
    194,615.64x = 29,125,739,494.96
  5. Step 5: Solve for x
    x = 29,125,739,494.96/194,615.64
  6. Step 6: Final answer
    x = 149,657.75

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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.