Home / 130,439.51-195,649.70-41,669.18

Finding the Fourth Proportional to 130,439.51, 195,649.70 and 41,669.18

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Solution

The fourth proportional to 130,439.51, 195,649.70 and 41,669.18 is: 62,500.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,439.51 : 195,649.70 = 41,669.18 : x
  2. Step 2: Convert to fraction form
    130,439.51/195,649.70 = 41,669.18/x
  3. Step 3: Cross multiply
    130,439.51x = 195,649.70 × 41,669.18
  4. Step 4: Simplify right side
    130,439.51x = 8,152,562,670.42
  5. Step 5: Solve for x
    x = 8,152,562,670.42/130,439.51
  6. Step 6: Final answer
    x = 62,500.72

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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.