Home / 193,822.32-290,732.88-53,580.72

Finding the Fourth Proportional to 193,822.32, 290,732.88 and 53,580.72

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Solution

The fourth proportional to 193,822.32, 290,732.88 and 53,580.72 is: 80,370.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,822.32 : 290,732.88 = 53,580.72 : x
  2. Step 2: Convert to fraction form
    193,822.32/290,732.88 = 53,580.72/x
  3. Step 3: Cross multiply
    193,822.32x = 290,732.88 × 53,580.72
  4. Step 4: Simplify right side
    193,822.32x = 15,577,677,038.07
  5. Step 5: Solve for x
    x = 15,577,677,038.07/193,822.32
  6. Step 6: Final answer
    x = 80,370.91

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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.