Home / 190,785.35-263,284.80-119,206.88

Finding the Fourth Proportional to 190,785.35, 263,284.80 and 119,206.88

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Solution

The fourth proportional to 190,785.35, 263,284.80 and 119,206.88 is: 164,506.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,785.35 : 263,284.80 = 119,206.88 : x
  2. Step 2: Convert to fraction form
    190,785.35/263,284.80 = 119,206.88/x
  3. Step 3: Cross multiply
    190,785.35x = 263,284.80 × 119,206.88
  4. Step 4: Simplify right side
    190,785.35x = 31,385,359,559.42
  5. Step 5: Solve for x
    x = 31,385,359,559.42/190,785.35
  6. Step 6: Final answer
    x = 164,506.13

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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.