Home / 194,423.20-291,051.60-115,496.80

Finding the Fourth Proportional to 194,423.20, 291,051.60 and 115,496.80

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Solution

The fourth proportional to 194,423.20, 291,051.60 and 115,496.80 is: 172,898.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,423.20 : 291,051.60 = 115,496.80 : x
  2. Step 2: Convert to fraction form
    194,423.20/291,051.60 = 115,496.80/x
  3. Step 3: Cross multiply
    194,423.20x = 291,051.60 × 115,496.80
  4. Step 4: Simplify right side
    194,423.20x = 33,615,528,434.88
  5. Step 5: Solve for x
    x = 33,615,528,434.88/194,423.20
  6. Step 6: Final answer
    x = 172,898.75

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1.5x scale

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.