Home / 130,814.10-196,202.72-42,056.33

Finding the Fourth Proportional to 130,814.10, 196,202.72 and 42,056.33

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Solution

The fourth proportional to 130,814.10, 196,202.72 and 42,056.33 is: 63,078.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,814.10 : 196,202.72 = 42,056.33 : x
  2. Step 2: Convert to fraction form
    130,814.10/196,202.72 = 42,056.33/x
  3. Step 3: Cross multiply
    130,814.10x = 196,202.72 × 42,056.33
  4. Step 4: Simplify right side
    130,814.10x = 8,251,565,463.34
  5. Step 5: Solve for x
    x = 8,251,565,463.34/130,814.10
  6. Step 6: Final answer
    x = 63,078.56

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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.