Home / 130,305.95-195,500.42-58,247.81

Finding the Fourth Proportional to 130,305.95, 195,500.42 and 58,247.81

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Solution

The fourth proportional to 130,305.95, 195,500.42 and 58,247.81 is: 87,390.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,305.95 : 195,500.42 = 58,247.81 : x
  2. Step 2: Convert to fraction form
    130,305.95/195,500.42 = 58,247.81/x
  3. Step 3: Cross multiply
    130,305.95x = 195,500.42 × 58,247.81
  4. Step 4: Simplify right side
    130,305.95x = 11,387,471,319.08
  5. Step 5: Solve for x
    x = 11,387,471,319.08/130,305.95
  6. Step 6: Final answer
    x = 87,390.26

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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.