Home / 193,678.20-290,534.04-53,436.83

Finding the Fourth Proportional to 193,678.20, 290,534.04 and 53,436.83

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Solution

The fourth proportional to 193,678.20, 290,534.04 and 53,436.83 is: 80,159.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,678.20 : 290,534.04 = 53,436.83 : x
  2. Step 2: Convert to fraction form
    193,678.20/290,534.04 = 53,436.83/x
  3. Step 3: Cross multiply
    193,678.20x = 290,534.04 × 53,436.83
  4. Step 4: Simplify right side
    193,678.20x = 15,525,216,652.02
  5. Step 5: Solve for x
    x = 15,525,216,652.02/193,678.20
  6. Step 6: Final answer
    x = 80,159.86

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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.