Home / 148,563.90-205,032.18-84,889.32

Finding the Fourth Proportional to 148,563.90, 205,032.18 and 84,889.32

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Solution

The fourth proportional to 148,563.90, 205,032.18 and 84,889.32 is: 117,155.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,563.90 : 205,032.18 = 84,889.32 : x
  2. Step 2: Convert to fraction form
    148,563.90/205,032.18 = 84,889.32/x
  3. Step 3: Cross multiply
    148,563.90x = 205,032.18 × 84,889.32
  4. Step 4: Simplify right side
    148,563.90x = 17,405,042,338.32
  5. Step 5: Solve for x
    x = 17,405,042,338.32/148,563.90
  6. Step 6: Final answer
    x = 117,155.26

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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.