Home / 190,434.60-262,815.30-105,576.84

Finding the Fourth Proportional to 190,434.60, 262,815.30 and 105,576.84

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Solution

The fourth proportional to 190,434.60, 262,815.30 and 105,576.84 is: 145,704.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,434.60 : 262,815.30 = 105,576.84 : x
  2. Step 2: Convert to fraction form
    190,434.60/262,815.30 = 105,576.84/x
  3. Step 3: Cross multiply
    190,434.60x = 262,815.30 × 105,576.84
  4. Step 4: Simplify right side
    190,434.60x = 27,747,208,877.65
  5. Step 5: Solve for x
    x = 27,747,208,877.65/190,434.60
  6. Step 6: Final answer
    x = 145,704.66

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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.