Home / 130,402.86-195,641.40-41,663.28

Finding the Fourth Proportional to 130,402.86, 195,641.40 and 41,663.28

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Solution

The fourth proportional to 130,402.86, 195,641.40 and 41,663.28 is: 62,506.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,402.86 : 195,641.40 = 41,663.28 : x
  2. Step 2: Convert to fraction form
    130,402.86/195,641.40 = 41,663.28/x
  3. Step 3: Cross multiply
    130,402.86x = 195,641.40 × 41,663.28
  4. Step 4: Simplify right side
    130,402.86x = 8,151,062,427.79
  5. Step 5: Solve for x
    x = 8,151,062,427.79/130,402.86
  6. Step 6: Final answer
    x = 62,506.78

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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.