Home / 190,516.86-285,782.58-96,913.26

Finding the Fourth Proportional to 190,516.86, 285,782.58 and 96,913.26

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Solution

The fourth proportional to 190,516.86, 285,782.58 and 96,913.26 is: 145,373.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,516.86 : 285,782.58 = 96,913.26 : x
  2. Step 2: Convert to fraction form
    190,516.86/285,782.58 = 96,913.26/x
  3. Step 3: Cross multiply
    190,516.86x = 285,782.58 × 96,913.26
  4. Step 4: Simplify right side
    190,516.86x = 27,696,121,479.01
  5. Step 5: Solve for x
    x = 27,696,121,479.01/190,516.86
  6. Step 6: Final answer
    x = 145,373.60

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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.