Home / 141,725.39-195,581.02-78,063.19

Finding the Fourth Proportional to 141,725.39, 195,581.02 and 78,063.19

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Solution

The fourth proportional to 141,725.39, 195,581.02 and 78,063.19 is: 107,727.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,725.39 : 195,581.02 = 78,063.19 : x
  2. Step 2: Convert to fraction form
    141,725.39/195,581.02 = 78,063.19/x
  3. Step 3: Cross multiply
    141,725.39x = 195,581.02 × 78,063.19
  4. Step 4: Simplify right side
    141,725.39x = 15,267,678,324.65
  5. Step 5: Solve for x
    x = 15,267,678,324.65/141,725.39
  6. Step 6: Final answer
    x = 107,727.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.