Home / 103,421.46-155,178.98-52,794.33

Finding the Fourth Proportional to 103,421.46, 155,178.98 and 52,794.33

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Solution

The fourth proportional to 103,421.46, 155,178.98 and 52,794.33 is: 79,215.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,421.46 : 155,178.98 = 52,794.33 : x
  2. Step 2: Convert to fraction form
    103,421.46/155,178.98 = 52,794.33/x
  3. Step 3: Cross multiply
    103,421.46x = 155,178.98 × 52,794.33
  4. Step 4: Simplify right side
    103,421.46x = 8,192,570,279.18
  5. Step 5: Solve for x
    x = 8,192,570,279.18/103,421.46
  6. Step 6: Final answer
    x = 79,215.38

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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.