Home / 190,416.27-285,627.24-72,055.83

Finding the Fourth Proportional to 190,416.27, 285,627.24 and 72,055.83

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Solution

The fourth proportional to 190,416.27, 285,627.24 and 72,055.83 is: 108,084.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,416.27 : 285,627.24 = 72,055.83 : x
  2. Step 2: Convert to fraction form
    190,416.27/285,627.24 = 72,055.83/x
  3. Step 3: Cross multiply
    190,416.27x = 285,627.24 × 72,055.83
  4. Step 4: Simplify right side
    190,416.27x = 20,581,107,848.81
  5. Step 5: Solve for x
    x = 20,581,107,848.81/190,416.27
  6. Step 6: Final answer
    x = 108,084.82

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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.