Home / 103,653.72-155,191.84-52,942.93

Finding the Fourth Proportional to 103,653.72, 155,191.84 and 52,942.93

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Solution

The fourth proportional to 103,653.72, 155,191.84 and 52,942.93 is: 79,266.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,653.72 : 155,191.84 = 52,942.93 : x
  2. Step 2: Convert to fraction form
    103,653.72/155,191.84 = 52,942.93/x
  3. Step 3: Cross multiply
    103,653.72x = 155,191.84 × 52,942.93
  4. Step 4: Simplify right side
    103,653.72x = 8,216,310,721.69
  5. Step 5: Solve for x
    x = 8,216,310,721.69/103,653.72
  6. Step 6: Final answer
    x = 79,266.92

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1.5x scale

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.