Home / 130,511.10-195,766.65-88,411.35

Finding the Fourth Proportional to 130,511.10, 195,766.65 and 88,411.35

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Solution

The fourth proportional to 130,511.10, 195,766.65 and 88,411.35 is: 132,617.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,511.10 : 195,766.65 = 88,411.35 : x
  2. Step 2: Convert to fraction form
    130,511.10/195,766.65 = 88,411.35/x
  3. Step 3: Cross multiply
    130,511.10x = 195,766.65 × 88,411.35
  4. Step 4: Simplify right side
    130,511.10x = 17,307,993,811.48
  5. Step 5: Solve for x
    x = 17,307,993,811.48/130,511.10
  6. Step 6: Final answer
    x = 132,617.03

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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.