Home / 152,999.03-211,078.16-88,456.41

Finding the Fourth Proportional to 152,999.03, 211,078.16 and 88,456.41

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Solution

The fourth proportional to 152,999.03, 211,078.16 and 88,456.41 is: 122,034.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,999.03 : 211,078.16 = 88,456.41 : x
  2. Step 2: Convert to fraction form
    152,999.03/211,078.16 = 88,456.41/x
  3. Step 3: Cross multiply
    152,999.03x = 211,078.16 × 88,456.41
  4. Step 4: Simplify right side
    152,999.03x = 18,671,216,263.01
  5. Step 5: Solve for x
    x = 18,671,216,263.01/152,999.03
  6. Step 6: Final answer
    x = 122,034.87

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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.