Home / 130,840.14-196,128.98-60,768.66

Finding the Fourth Proportional to 130,840.14, 196,128.98 and 60,768.66

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Solution

The fourth proportional to 130,840.14, 196,128.98 and 60,768.66 is: 91,092.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,840.14 : 196,128.98 = 60,768.66 : x
  2. Step 2: Convert to fraction form
    130,840.14/196,128.98 = 60,768.66/x
  3. Step 3: Cross multiply
    130,840.14x = 196,128.98 × 60,768.66
  4. Step 4: Simplify right side
    130,840.14x = 11,918,495,301.77
  5. Step 5: Solve for x
    x = 11,918,495,301.77/130,840.14
  6. Step 6: Final answer
    x = 91,092.04

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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.