Home / 130,423.04-195,659.84-55,541.92

Finding the Fourth Proportional to 130,423.04, 195,659.84 and 55,541.92

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Solution

The fourth proportional to 130,423.04, 195,659.84 and 55,541.92 is: 83,323.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,423.04 : 195,659.84 = 55,541.92 : x
  2. Step 2: Convert to fraction form
    130,423.04/195,659.84 = 55,541.92/x
  3. Step 3: Cross multiply
    130,423.04x = 195,659.84 × 55,541.92
  4. Step 4: Simplify right side
    130,423.04x = 10,867,323,180.49
  5. Step 5: Solve for x
    x = 10,867,323,180.49/130,423.04
  6. Step 6: Final answer
    x = 83,323.65

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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.