Home / 146,516.16-202,221.78-86,106.36

Finding the Fourth Proportional to 146,516.16, 202,221.78 and 86,106.36

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Solution

The fourth proportional to 146,516.16, 202,221.78 and 86,106.36 is: 118,844.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,516.16 : 202,221.78 = 86,106.36 : x
  2. Step 2: Convert to fraction form
    146,516.16/202,221.78 = 86,106.36/x
  3. Step 3: Cross multiply
    146,516.16x = 202,221.78 × 86,106.36
  4. Step 4: Simplify right side
    146,516.16x = 17,412,581,388.52
  5. Step 5: Solve for x
    x = 17,412,581,388.52/146,516.16
  6. Step 6: Final answer
    x = 118,844.10

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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.