Home / 152,520.45-228,816.99-52,681.47

Finding the Fourth Proportional to 152,520.45, 228,816.99 and 52,681.47

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Solution

The fourth proportional to 152,520.45, 228,816.99 and 52,681.47 is: 79,034.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,520.45 : 228,816.99 = 52,681.47 : x
  2. Step 2: Convert to fraction form
    152,520.45/228,816.99 = 52,681.47/x
  3. Step 3: Cross multiply
    152,520.45x = 228,816.99 × 52,681.47
  4. Step 4: Simplify right side
    152,520.45x = 12,054,415,394.18
  5. Step 5: Solve for x
    x = 12,054,415,394.18/152,520.45
  6. Step 6: Final answer
    x = 79,034.75

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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.