Home / 190,110.42-285,108.03-79,276.50

Finding the Fourth Proportional to 190,110.42, 285,108.03 and 79,276.50

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Solution

The fourth proportional to 190,110.42, 285,108.03 and 79,276.50 is: 118,890.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,110.42 : 285,108.03 = 79,276.50 : x
  2. Step 2: Convert to fraction form
    190,110.42/285,108.03 = 79,276.50/x
  3. Step 3: Cross multiply
    190,110.42x = 285,108.03 × 79,276.50
  4. Step 4: Simplify right side
    190,110.42x = 22,602,366,740.30
  5. Step 5: Solve for x
    x = 22,602,366,740.30/190,110.42
  6. Step 6: Final answer
    x = 118,890.73

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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.