Home / 148,999.22-205,612.23-84,467.53

Finding the Fourth Proportional to 148,999.22, 205,612.23 and 84,467.53

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Solution

The fourth proportional to 148,999.22, 205,612.23 and 84,467.53 is: 116,561.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,999.22 : 205,612.23 = 84,467.53 : x
  2. Step 2: Convert to fraction form
    148,999.22/205,612.23 = 84,467.53/x
  3. Step 3: Cross multiply
    148,999.22x = 205,612.23 × 84,467.53
  4. Step 4: Simplify right side
    148,999.22x = 17,367,557,779.66
  5. Step 5: Solve for x
    x = 17,367,557,779.66/148,999.22
  6. Step 6: Final answer
    x = 116,561.40

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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.