Home / 130,392.28-195,572.08-41,638.42

Finding the Fourth Proportional to 130,392.28, 195,572.08 and 41,638.42

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Solution

The fourth proportional to 130,392.28, 195,572.08 and 41,638.42 is: 62,452.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,392.28 : 195,572.08 = 41,638.42 : x
  2. Step 2: Convert to fraction form
    130,392.28/195,572.08 = 41,638.42/x
  3. Step 3: Cross multiply
    130,392.28x = 195,572.08 × 41,638.42
  4. Step 4: Simplify right side
    130,392.28x = 8,143,312,407.31
  5. Step 5: Solve for x
    x = 8,143,312,407.31/130,392.28
  6. Step 6: Final answer
    x = 62,452.41

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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.