Home / 133,557.42-200,355.96-38,788.40

Finding the Fourth Proportional to 133,557.42, 200,355.96 and 38,788.40

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Solution

The fourth proportional to 133,557.42, 200,355.96 and 38,788.40 is: 58,188.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,557.42 : 200,355.96 = 38,788.40 : x
  2. Step 2: Convert to fraction form
    133,557.42/200,355.96 = 38,788.40/x
  3. Step 3: Cross multiply
    133,557.42x = 200,355.96 × 38,788.40
  4. Step 4: Simplify right side
    133,557.42x = 7,771,487,118.86
  5. Step 5: Solve for x
    x = 7,771,487,118.86/133,557.42
  6. Step 6: Final answer
    x = 58,188.36

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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.