Home / 213,886.48-295,091.04-123,240.10

Finding the Fourth Proportional to 213,886.48, 295,091.04 and 123,240.10

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Solution

The fourth proportional to 213,886.48, 295,091.04 and 123,240.10 is: 170,029.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,886.48 : 295,091.04 = 123,240.10 : x
  2. Step 2: Convert to fraction form
    213,886.48/295,091.04 = 123,240.10/x
  3. Step 3: Cross multiply
    213,886.48x = 295,091.04 × 123,240.10
  4. Step 4: Simplify right side
    213,886.48x = 36,367,049,278.70
  5. Step 5: Solve for x
    x = 36,367,049,278.70/213,886.48
  6. Step 6: Final answer
    x = 170,029.68

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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.