Home / 146,210.72-201,774.48-89,653.28

Finding the Fourth Proportional to 146,210.72, 201,774.48 and 89,653.28

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Solution

The fourth proportional to 146,210.72, 201,774.48 and 89,653.28 is: 123,723.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,210.72 : 201,774.48 = 89,653.28 : x
  2. Step 2: Convert to fraction form
    146,210.72/201,774.48 = 89,653.28/x
  3. Step 3: Cross multiply
    146,210.72x = 201,774.48 × 89,653.28
  4. Step 4: Simplify right side
    146,210.72x = 18,089,743,952.29
  5. Step 5: Solve for x
    x = 18,089,743,952.29/146,210.72
  6. Step 6: Final answer
    x = 123,723.79

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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.