Home / 204,740.10-307,110.15-187,025.40

Finding the Fourth Proportional to 204,740.10, 307,110.15 and 187,025.40

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Solution

The fourth proportional to 204,740.10, 307,110.15 and 187,025.40 is: 280,538.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,740.10 : 307,110.15 = 187,025.40 : x
  2. Step 2: Convert to fraction form
    204,740.10/307,110.15 = 187,025.40/x
  3. Step 3: Cross multiply
    204,740.10x = 307,110.15 × 187,025.40
  4. Step 4: Simplify right side
    204,740.10x = 57,437,398,647.81
  5. Step 5: Solve for x
    x = 57,437,398,647.81/204,740.10
  6. Step 6: Final answer
    x = 280,538.10

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1.5x scale

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.