Home / 190,439.37-285,668.15-157,097.61

Finding the Fourth Proportional to 190,439.37, 285,668.15 and 157,097.61

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Solution

The fourth proportional to 190,439.37, 285,668.15 and 157,097.61 is: 235,653.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,439.37 : 285,668.15 = 157,097.61 : x
  2. Step 2: Convert to fraction form
    190,439.37/285,668.15 = 157,097.61/x
  3. Step 3: Cross multiply
    190,439.37x = 285,668.15 × 157,097.61
  4. Step 4: Simplify right side
    190,439.37x = 44,877,782,832.63
  5. Step 5: Solve for x
    x = 44,877,782,832.63/190,439.37
  6. Step 6: Final answer
    x = 235,653.91

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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.