Home / 168,577.09-232,640.95-100,633.50

Finding the Fourth Proportional to 168,577.09, 232,640.95 and 100,633.50

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Solution

The fourth proportional to 168,577.09, 232,640.95 and 100,633.50 is: 138,876.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,577.09 : 232,640.95 = 100,633.50 : x
  2. Step 2: Convert to fraction form
    168,577.09/232,640.95 = 100,633.50/x
  3. Step 3: Cross multiply
    168,577.09x = 232,640.95 × 100,633.50
  4. Step 4: Simplify right side
    168,577.09x = 23,411,473,041.83
  5. Step 5: Solve for x
    x = 23,411,473,041.83/168,577.09
  6. Step 6: Final answer
    x = 138,876.96

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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.