Home / 196,191.90-294,287.94-90,953.46

Finding the Fourth Proportional to 196,191.90, 294,287.94 and 90,953.46

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Solution

The fourth proportional to 196,191.90, 294,287.94 and 90,953.46 is: 136,430.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,191.90 : 294,287.94 = 90,953.46 : x
  2. Step 2: Convert to fraction form
    196,191.90/294,287.94 = 90,953.46/x
  3. Step 3: Cross multiply
    196,191.90x = 294,287.94 × 90,953.46
  4. Step 4: Simplify right side
    196,191.90x = 26,766,506,379.27
  5. Step 5: Solve for x
    x = 26,766,506,379.27/196,191.90
  6. Step 6: Final answer
    x = 136,430.23

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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.