Home / 130,425.04-195,662.84-55,543.92

Finding the Fourth Proportional to 130,425.04, 195,662.84 and 55,543.92

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Solution

The fourth proportional to 130,425.04, 195,662.84 and 55,543.92 is: 83,326.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,425.04 : 195,662.84 = 55,543.92 : x
  2. Step 2: Convert to fraction form
    130,425.04/195,662.84 = 55,543.92/x
  3. Step 3: Cross multiply
    130,425.04x = 195,662.84 × 55,543.92
  4. Step 4: Simplify right side
    130,425.04x = 10,867,881,131.93
  5. Step 5: Solve for x
    x = 10,867,881,131.93/130,425.04
  6. Step 6: Final answer
    x = 83,326.65

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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.