Home / 190,785.07-263,230.05-119,237.77

Finding the Fourth Proportional to 190,785.07, 263,230.05 and 119,237.77

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Solution

The fourth proportional to 190,785.07, 263,230.05 and 119,237.77 is: 164,514.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,785.07 : 263,230.05 = 119,237.77 : x
  2. Step 2: Convert to fraction form
    190,785.07/263,230.05 = 119,237.77/x
  3. Step 3: Cross multiply
    190,785.07x = 263,230.05 × 119,237.77
  4. Step 4: Simplify right side
    190,785.07x = 31,386,964,158.99
  5. Step 5: Solve for x
    x = 31,386,964,158.99/190,785.07
  6. Step 6: Final answer
    x = 164,514.78

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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.