Home / 204,025.80-306,038.70-109,547.40

Finding the Fourth Proportional to 204,025.80, 306,038.70 and 109,547.40

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Solution

The fourth proportional to 204,025.80, 306,038.70 and 109,547.40 is: 164,321.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,025.80 : 306,038.70 = 109,547.40 : x
  2. Step 2: Convert to fraction form
    204,025.80/306,038.70 = 109,547.40/x
  3. Step 3: Cross multiply
    204,025.80x = 306,038.70 × 109,547.40
  4. Step 4: Simplify right side
    204,025.80x = 33,525,743,884.38
  5. Step 5: Solve for x
    x = 33,525,743,884.38/204,025.80
  6. Step 6: Final answer
    x = 164,321.10

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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.