Home / 196,521.80-294,768.12-70,147.63

Finding the Fourth Proportional to 196,521.80, 294,768.12 and 70,147.63

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Solution

The fourth proportional to 196,521.80, 294,768.12 and 70,147.63 is: 105,216.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,521.80 : 294,768.12 = 70,147.63 : x
  2. Step 2: Convert to fraction form
    196,521.80/294,768.12 = 70,147.63/x
  3. Step 3: Cross multiply
    196,521.80x = 294,768.12 × 70,147.63
  4. Step 4: Simplify right side
    196,521.80x = 20,677,284,280.64
  5. Step 5: Solve for x
    x = 20,677,284,280.64/196,521.80
  6. Step 6: Final answer
    x = 105,216.24

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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.