Home / 193,534.18-290,153.54-109,389.36

Finding the Fourth Proportional to 193,534.18, 290,153.54 and 109,389.36

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Solution

The fourth proportional to 193,534.18, 290,153.54 and 109,389.36 is: 164,000.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,534.18 : 290,153.54 = 109,389.36 : x
  2. Step 2: Convert to fraction form
    193,534.18/290,153.54 = 109,389.36/x
  3. Step 3: Cross multiply
    193,534.18x = 290,153.54 × 109,389.36
  4. Step 4: Simplify right side
    193,534.18x = 31,739,710,042.33
  5. Step 5: Solve for x
    x = 31,739,710,042.33/193,534.18
  6. Step 6: Final answer
    x = 164,000.54

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1.5x scale

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.