Home / 130,531.23-195,852.66-54,647.49

Finding the Fourth Proportional to 130,531.23, 195,852.66 and 54,647.49

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Solution

The fourth proportional to 130,531.23, 195,852.66 and 54,647.49 is: 81,994.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,531.23 : 195,852.66 = 54,647.49 : x
  2. Step 2: Convert to fraction form
    130,531.23/195,852.66 = 54,647.49/x
  3. Step 3: Cross multiply
    130,531.23x = 195,852.66 × 54,647.49
  4. Step 4: Simplify right side
    130,531.23x = 10,702,856,278.82
  5. Step 5: Solve for x
    x = 10,702,856,278.82/130,531.23
  6. Step 6: Final answer
    x = 81,994.60

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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.