Home / 328,580.18-453,537.60-192,643.64

Finding the Fourth Proportional to 328,580.18, 453,537.60 and 192,643.64

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Solution

The fourth proportional to 328,580.18, 453,537.60 and 192,643.64 is: 265,905.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,580.18 : 453,537.60 = 192,643.64 : x
  2. Step 2: Convert to fraction form
    328,580.18/453,537.60 = 192,643.64/x
  3. Step 3: Cross multiply
    328,580.18x = 453,537.60 × 192,643.64
  4. Step 4: Simplify right side
    328,580.18x = 87,371,134,140.86
  5. Step 5: Solve for x
    x = 87,371,134,140.86/328,580.18
  6. Step 6: Final answer
    x = 265,905.07

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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.