Home / 295,276.10-442,914.15-82,043.60

Finding the Fourth Proportional to 295,276.10, 442,914.15 and 82,043.60

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Solution

The fourth proportional to 295,276.10, 442,914.15 and 82,043.60 is: 123,065.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,276.10 : 442,914.15 = 82,043.60 : x
  2. Step 2: Convert to fraction form
    295,276.10/442,914.15 = 82,043.60/x
  3. Step 3: Cross multiply
    295,276.10x = 442,914.15 × 82,043.60
  4. Step 4: Simplify right side
    295,276.10x = 36,338,271,356.94
  5. Step 5: Solve for x
    x = 36,338,271,356.94/295,276.10
  6. Step 6: Final answer
    x = 123,065.40

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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.