Home / 190,106.48-285,222.90-63,759.08

Finding the Fourth Proportional to 190,106.48, 285,222.90 and 63,759.08

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Solution

The fourth proportional to 190,106.48, 285,222.90 and 63,759.08 is: 95,659.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,106.48 : 285,222.90 = 63,759.08 : x
  2. Step 2: Convert to fraction form
    190,106.48/285,222.90 = 63,759.08/x
  3. Step 3: Cross multiply
    190,106.48x = 285,222.90 × 63,759.08
  4. Step 4: Simplify right side
    190,106.48x = 18,185,549,698.93
  5. Step 5: Solve for x
    x = 18,185,549,698.93/190,106.48
  6. Step 6: Final answer
    x = 95,659.81

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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.