Home / 141,786.01-195,678.48-105,913.74

Finding the Fourth Proportional to 141,786.01, 195,678.48 and 105,913.74

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Solution

The fourth proportional to 141,786.01, 195,678.48 and 105,913.74 is: 146,171.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,786.01 : 195,678.48 = 105,913.74 : x
  2. Step 2: Convert to fraction form
    141,786.01/195,678.48 = 105,913.74/x
  3. Step 3: Cross multiply
    141,786.01x = 195,678.48 × 105,913.74
  4. Step 4: Simplify right side
    141,786.01x = 20,725,039,654.32
  5. Step 5: Solve for x
    x = 20,725,039,654.32/141,786.01
  6. Step 6: Final answer
    x = 146,171.26

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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.