Home / 190,781.07-263,224.53-119,233.77

Finding the Fourth Proportional to 190,781.07, 263,224.53 and 119,233.77

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Solution

The fourth proportional to 190,781.07, 263,224.53 and 119,233.77 is: 164,509.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,781.07 : 263,224.53 = 119,233.77 : x
  2. Step 2: Convert to fraction form
    190,781.07/263,224.53 = 119,233.77/x
  3. Step 3: Cross multiply
    190,781.07x = 263,224.53 × 119,233.77
  4. Step 4: Simplify right side
    190,781.07x = 31,385,253,068.38
  5. Step 5: Solve for x
    x = 31,385,253,068.38/190,781.07
  6. Step 6: Final answer
    x = 164,509.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.