Home / 190,342.89-285,643.53-101,660.04

Finding the Fourth Proportional to 190,342.89, 285,643.53 and 101,660.04

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Solution

The fourth proportional to 190,342.89, 285,643.53 and 101,660.04 is: 152,559.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,342.89 : 285,643.53 = 101,660.04 : x
  2. Step 2: Convert to fraction form
    190,342.89/285,643.53 = 101,660.04/x
  3. Step 3: Cross multiply
    190,342.89x = 285,643.53 × 101,660.04
  4. Step 4: Simplify right side
    190,342.89x = 29,038,532,685.54
  5. Step 5: Solve for x
    x = 29,038,532,685.54/190,342.89
  6. Step 6: Final answer
    x = 152,559.06

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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.