Home / 217,048.44-299,528.10-120,255.35

Finding the Fourth Proportional to 217,048.44, 299,528.10 and 120,255.35

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Solution

The fourth proportional to 217,048.44, 299,528.10 and 120,255.35 is: 165,953.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,048.44 : 299,528.10 = 120,255.35 : x
  2. Step 2: Convert to fraction form
    217,048.44/299,528.10 = 120,255.35/x
  3. Step 3: Cross multiply
    217,048.44x = 299,528.10 × 120,255.35
  4. Step 4: Simplify right side
    217,048.44x = 36,019,856,500.34
  5. Step 5: Solve for x
    x = 36,019,856,500.34/217,048.44
  6. Step 6: Final answer
    x = 165,953.08

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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.