Home / 129,853.17-195,075.33-93,940.40

Finding the Fourth Proportional to 129,853.17, 195,075.33 and 93,940.40

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Solution

The fourth proportional to 129,853.17, 195,075.33 and 93,940.40 is: 141,124.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,853.17 : 195,075.33 = 93,940.40 : x
  2. Step 2: Convert to fraction form
    129,853.17/195,075.33 = 93,940.40/x
  3. Step 3: Cross multiply
    129,853.17x = 195,075.33 × 93,940.40
  4. Step 4: Simplify right side
    129,853.17x = 18,325,453,916.23
  5. Step 5: Solve for x
    x = 18,325,453,916.23/129,853.17
  6. Step 6: Final answer
    x = 141,124.42

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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.