Home / 213,339.60-294,411.12-117,844.32

Finding the Fourth Proportional to 213,339.60, 294,411.12 and 117,844.32

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Solution

The fourth proportional to 213,339.60, 294,411.12 and 117,844.32 is: 162,626.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,339.60 : 294,411.12 = 117,844.32 : x
  2. Step 2: Convert to fraction form
    213,339.60/294,411.12 = 117,844.32/x
  3. Step 3: Cross multiply
    213,339.60x = 294,411.12 × 117,844.32
  4. Step 4: Simplify right side
    213,339.60x = 34,694,678,236.84
  5. Step 5: Solve for x
    x = 34,694,678,236.84/213,339.60
  6. Step 6: Final answer
    x = 162,626.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.