Home / 190,376.10-285,218.55-155,124.90

Finding the Fourth Proportional to 190,376.10, 285,218.55 and 155,124.90

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Solution

The fourth proportional to 190,376.10, 285,218.55 and 155,124.90 is: 232,405.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,376.10 : 285,218.55 = 155,124.90 : x
  2. Step 2: Convert to fraction form
    190,376.10/285,218.55 = 155,124.90/x
  3. Step 3: Cross multiply
    190,376.10x = 285,218.55 × 155,124.90
  4. Step 4: Simplify right side
    190,376.10x = 44,244,499,046.90
  5. Step 5: Solve for x
    x = 44,244,499,046.90/190,376.10
  6. Step 6: Final answer
    x = 232,405.74

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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.