Home / 196,000.80-294,001.20-117,074.40

Finding the Fourth Proportional to 196,000.80, 294,001.20 and 117,074.40

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Solution

The fourth proportional to 196,000.80, 294,001.20 and 117,074.40 is: 175,611.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,000.80 : 294,001.20 = 117,074.40 : x
  2. Step 2: Convert to fraction form
    196,000.80/294,001.20 = 117,074.40/x
  3. Step 3: Cross multiply
    196,000.80x = 294,001.20 × 117,074.40
  4. Step 4: Simplify right side
    196,000.80x = 34,420,014,089.28
  5. Step 5: Solve for x
    x = 34,420,014,089.28/196,000.80
  6. Step 6: Final answer
    x = 175,611.60

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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.