Home / 130,462.11-195,444.90-74,340.87

Finding the Fourth Proportional to 130,462.11, 195,444.90 and 74,340.87

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Solution

The fourth proportional to 130,462.11, 195,444.90 and 74,340.87 is: 111,369.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,462.11 : 195,444.90 = 74,340.87 : x
  2. Step 2: Convert to fraction form
    130,462.11/195,444.90 = 74,340.87/x
  3. Step 3: Cross multiply
    130,462.11x = 195,444.90 × 74,340.87
  4. Step 4: Simplify right side
    130,462.11x = 14,529,543,903.06
  5. Step 5: Solve for x
    x = 14,529,543,903.06/130,462.11
  6. Step 6: Final answer
    x = 111,369.84

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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.