Home / 291,743.40-437,440.08-133,773.96

Finding the Fourth Proportional to 291,743.40, 437,440.08 and 133,773.96

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Solution

The fourth proportional to 291,743.40, 437,440.08 and 133,773.96 is: 200,580.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,743.40 : 437,440.08 = 133,773.96 : x
  2. Step 2: Convert to fraction form
    291,743.40/437,440.08 = 133,773.96/x
  3. Step 3: Cross multiply
    291,743.40x = 437,440.08 × 133,773.96
  4. Step 4: Simplify right side
    291,743.40x = 58,518,091,764.32
  5. Step 5: Solve for x
    x = 58,518,091,764.32/291,743.40
  6. Step 6: Final answer
    x = 200,580.69

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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.