Home / 193,774.60-290,678.78-53,533.36

Finding the Fourth Proportional to 193,774.60, 290,678.78 and 53,533.36

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Solution

The fourth proportional to 193,774.60, 290,678.78 and 53,533.36 is: 80,304.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,774.60 : 290,678.78 = 53,533.36 : x
  2. Step 2: Convert to fraction form
    193,774.60/290,678.78 = 53,533.36/x
  3. Step 3: Cross multiply
    193,774.60x = 290,678.78 × 53,533.36
  4. Step 4: Simplify right side
    193,774.60x = 15,561,011,774.10
  5. Step 5: Solve for x
    x = 15,561,011,774.10/193,774.60
  6. Step 6: Final answer
    x = 80,304.70

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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.