Home / 177,659.81-245,091.78-105,998.16

Finding the Fourth Proportional to 177,659.81, 245,091.78 and 105,998.16

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Solution

The fourth proportional to 177,659.81, 245,091.78 and 105,998.16 is: 146,230.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,659.81 : 245,091.78 = 105,998.16 : x
  2. Step 2: Convert to fraction form
    177,659.81/245,091.78 = 105,998.16/x
  3. Step 3: Cross multiply
    177,659.81x = 245,091.78 × 105,998.16
  4. Step 4: Simplify right side
    177,659.81x = 25,979,277,711.12
  5. Step 5: Solve for x
    x = 25,979,277,711.12/177,659.81
  6. Step 6: Final answer
    x = 146,230.48

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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.