Home / 217,536.05-300,254.93-148,653.41

Finding the Fourth Proportional to 217,536.05, 300,254.93 and 148,653.41

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Solution

The fourth proportional to 217,536.05, 300,254.93 and 148,653.41 is: 205,179.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,536.05 : 300,254.93 = 148,653.41 : x
  2. Step 2: Convert to fraction form
    217,536.05/300,254.93 = 148,653.41/x
  3. Step 3: Cross multiply
    217,536.05x = 300,254.93 × 148,653.41
  4. Step 4: Simplify right side
    217,536.05x = 44,633,920,051.83
  5. Step 5: Solve for x
    x = 44,633,920,051.83/217,536.05
  6. Step 6: Final answer
    x = 205,179.42

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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.