Home / 133,548.54-200,342.65-38,779.55

Finding the Fourth Proportional to 133,548.54, 200,342.65 and 38,779.55

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Solution

The fourth proportional to 133,548.54, 200,342.65 and 38,779.55 is: 58,175.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,548.54 : 200,342.65 = 38,779.55 : x
  2. Step 2: Convert to fraction form
    133,548.54/200,342.65 = 38,779.55/x
  3. Step 3: Cross multiply
    133,548.54x = 200,342.65 × 38,779.55
  4. Step 4: Simplify right side
    133,548.54x = 7,769,197,812.81
  5. Step 5: Solve for x
    x = 7,769,197,812.81/133,548.54
  6. Step 6: Final answer
    x = 58,175.09

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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.