Home / 190,345.89-285,648.03-101,663.04

Finding the Fourth Proportional to 190,345.89, 285,648.03 and 101,663.04

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Solution

The fourth proportional to 190,345.89, 285,648.03 and 101,663.04 is: 152,563.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,345.89 : 285,648.03 = 101,663.04 : x
  2. Step 2: Convert to fraction form
    190,345.89/285,648.03 = 101,663.04/x
  3. Step 3: Cross multiply
    190,345.89x = 285,648.03 × 101,663.04
  4. Step 4: Simplify right side
    190,345.89x = 29,039,847,099.81
  5. Step 5: Solve for x
    x = 29,039,847,099.81/190,345.89
  6. Step 6: Final answer
    x = 152,563.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.