Home / 130,263.66-195,293.42-51,436.89

Finding the Fourth Proportional to 130,263.66, 195,293.42 and 51,436.89

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Solution

The fourth proportional to 130,263.66, 195,293.42 and 51,436.89 is: 77,115.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,263.66 : 195,293.42 = 51,436.89 : x
  2. Step 2: Convert to fraction form
    130,263.66/195,293.42 = 51,436.89/x
  3. Step 3: Cross multiply
    130,263.66x = 195,293.42 × 51,436.89
  4. Step 4: Simplify right side
    130,263.66x = 10,045,286,162.26
  5. Step 5: Solve for x
    x = 10,045,286,162.26/130,263.66
  6. Step 6: Final answer
    x = 77,115.03

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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.