Home / 295,280.10-442,920.15-82,047.60

Finding the Fourth Proportional to 295,280.10, 442,920.15 and 82,047.60

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Solution

The fourth proportional to 295,280.10, 442,920.15 and 82,047.60 is: 123,071.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,280.10 : 442,920.15 = 82,047.60 : x
  2. Step 2: Convert to fraction form
    295,280.10/442,920.15 = 82,047.60/x
  3. Step 3: Cross multiply
    295,280.10x = 442,920.15 × 82,047.60
  4. Step 4: Simplify right side
    295,280.10x = 36,340,535,299.14
  5. Step 5: Solve for x
    x = 36,340,535,299.14/295,280.10
  6. Step 6: Final answer
    x = 123,071.40

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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.