Home / 152,609.13-228,618.49-85,846.41

Finding the Fourth Proportional to 152,609.13, 228,618.49 and 85,846.41

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Solution

The fourth proportional to 152,609.13, 228,618.49 and 85,846.41 is: 128,603.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,609.13 : 228,618.49 = 85,846.41 : x
  2. Step 2: Convert to fraction form
    152,609.13/228,618.49 = 85,846.41/x
  3. Step 3: Cross multiply
    152,609.13x = 228,618.49 × 85,846.41
  4. Step 4: Simplify right side
    152,609.13x = 19,626,076,626.12
  5. Step 5: Solve for x
    x = 19,626,076,626.12/152,609.13
  6. Step 6: Final answer
    x = 128,603.55

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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.