Home / 204,623.40-306,935.10-104,750.40

Finding the Fourth Proportional to 204,623.40, 306,935.10 and 104,750.40

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Solution

The fourth proportional to 204,623.40, 306,935.10 and 104,750.40 is: 157,125.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,623.40 : 306,935.10 = 104,750.40 : x
  2. Step 2: Convert to fraction form
    204,623.40/306,935.10 = 104,750.40/x
  3. Step 3: Cross multiply
    204,623.40x = 306,935.10 × 104,750.40
  4. Step 4: Simplify right side
    204,623.40x = 32,151,574,499.04
  5. Step 5: Solve for x
    x = 32,151,574,499.04/204,623.40
  6. Step 6: Final answer
    x = 157,125.60

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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.