Home / 115,351.36-159,196.04-70,018.92

Finding the Fourth Proportional to 115,351.36, 159,196.04 and 70,018.92

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Solution

The fourth proportional to 115,351.36, 159,196.04 and 70,018.92 is: 96,632.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,351.36 : 159,196.04 = 70,018.92 : x
  2. Step 2: Convert to fraction form
    115,351.36/159,196.04 = 70,018.92/x
  3. Step 3: Cross multiply
    115,351.36x = 159,196.04 × 70,018.92
  4. Step 4: Simplify right side
    115,351.36x = 11,146,734,789.08
  5. Step 5: Solve for x
    x = 11,146,734,789.08/115,351.36
  6. Step 6: Final answer
    x = 96,632.89

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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.