Home / 194,411.20-291,789.60-166,417.60

Finding the Fourth Proportional to 194,411.20, 291,789.60 and 166,417.60

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Solution

The fourth proportional to 194,411.20, 291,789.60 and 166,417.60 is: 249,774.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,411.20 : 291,789.60 = 166,417.60 : x
  2. Step 2: Convert to fraction form
    194,411.20/291,789.60 = 166,417.60/x
  3. Step 3: Cross multiply
    194,411.20x = 291,789.60 × 166,417.60
  4. Step 4: Simplify right side
    194,411.20x = 48,558,924,936.96
  5. Step 5: Solve for x
    x = 48,558,924,936.96/194,411.20
  6. Step 6: Final answer
    x = 249,774.32

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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.