Home / 130,771.34-196,127.82-60,641.54

Finding the Fourth Proportional to 130,771.34, 196,127.82 and 60,641.54

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Solution

The fourth proportional to 130,771.34, 196,127.82 and 60,641.54 is: 90,948.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,771.34 : 196,127.82 = 60,641.54 : x
  2. Step 2: Convert to fraction form
    130,771.34/196,127.82 = 60,641.54/x
  3. Step 3: Cross multiply
    130,771.34x = 196,127.82 × 60,641.54
  4. Step 4: Simplify right side
    130,771.34x = 11,893,493,041.64
  5. Step 5: Solve for x
    x = 11,893,493,041.64/130,771.34
  6. Step 6: Final answer
    x = 90,948.77

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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.