Home / 196,512.16-294,830.56-70,149.63

Finding the Fourth Proportional to 196,512.16, 294,830.56 and 70,149.63

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Solution

The fourth proportional to 196,512.16, 294,830.56 and 70,149.63 is: 105,246.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,512.16 : 294,830.56 = 70,149.63 : x
  2. Step 2: Convert to fraction form
    196,512.16/294,830.56 = 70,149.63/x
  3. Step 3: Cross multiply
    196,512.16x = 294,830.56 × 70,149.63
  4. Step 4: Simplify right side
    196,512.16x = 20,682,254,521.32
  5. Step 5: Solve for x
    x = 20,682,254,521.32/196,512.16
  6. Step 6: Final answer
    x = 105,246.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.