Home / 111,133.45-153,362.94-60,145.09

Finding the Fourth Proportional to 111,133.45, 153,362.94 and 60,145.09

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Solution

The fourth proportional to 111,133.45, 153,362.94 and 60,145.09 is: 82,999.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,133.45 : 153,362.94 = 60,145.09 : x
  2. Step 2: Convert to fraction form
    111,133.45/153,362.94 = 60,145.09/x
  3. Step 3: Cross multiply
    111,133.45x = 153,362.94 × 60,145.09
  4. Step 4: Simplify right side
    111,133.45x = 9,224,027,828.96
  5. Step 5: Solve for x
    x = 9,224,027,828.96/111,133.45
  6. Step 6: Final answer
    x = 82,999.56

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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.