Home / 213,023.72-295,215.46-210,017

Finding the Fourth Proportional to 213,023.72, 295,215.46 and 210,017

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Solution

The fourth proportional to 213,023.72, 295,215.46 and 210,017 is: 291,048.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,023.72 : 295,215.46 = 210,017 : x
  2. Step 2: Convert to fraction form
    213,023.72/295,215.46 = 210,017/x
  3. Step 3: Cross multiply
    213,023.72x = 295,215.46 × 210,017
  4. Step 4: Simplify right side
    213,023.72x = 62,000,265,262.82
  5. Step 5: Solve for x
    x = 62,000,265,262.82/213,023.72
  6. Step 6: Final answer
    x = 291,048.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.