Home / 639,556.08-959,167.05-190,155.93

Finding the Fourth Proportional to 639,556.08, 959,167.05 and 190,155.93

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Solution

The fourth proportional to 639,556.08, 959,167.05 and 190,155.93 is: 285,184.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,556.08 : 959,167.05 = 190,155.93 : x
  2. Step 2: Convert to fraction form
    639,556.08/959,167.05 = 190,155.93/x
  3. Step 3: Cross multiply
    639,556.08x = 959,167.05 × 190,155.93
  4. Step 4: Simplify right side
    639,556.08x = 182,391,302,418.11
  5. Step 5: Solve for x
    x = 182,391,302,418.11/639,556.08
  6. Step 6: Final answer
    x = 285,184.22

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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.