Home / 172,897.08-259,358.98-66,332.04

Finding the Fourth Proportional to 172,897.08, 259,358.98 and 66,332.04

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Solution

The fourth proportional to 172,897.08, 259,358.98 and 66,332.04 is: 99,503.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,897.08 : 259,358.98 = 66,332.04 : x
  2. Step 2: Convert to fraction form
    172,897.08/259,358.98 = 66,332.04/x
  3. Step 3: Cross multiply
    172,897.08x = 259,358.98 × 66,332.04
  4. Step 4: Simplify right side
    172,897.08x = 17,203,810,235.72
  5. Step 5: Solve for x
    x = 17,203,810,235.72/172,897.08
  6. Step 6: Final answer
    x = 99,503.19

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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.