Home / 196,161.65-294,240.75-129,898.18

Finding the Fourth Proportional to 196,161.65, 294,240.75 and 129,898.18

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Solution

The fourth proportional to 196,161.65, 294,240.75 and 129,898.18 is: 194,846.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,161.65 : 294,240.75 = 129,898.18 : x
  2. Step 2: Convert to fraction form
    196,161.65/294,240.75 = 129,898.18/x
  3. Step 3: Cross multiply
    196,161.65x = 294,240.75 × 129,898.18
  4. Step 4: Simplify right side
    196,161.65x = 38,221,338,518.20
  5. Step 5: Solve for x
    x = 38,221,338,518.20/196,161.65
  6. Step 6: Final answer
    x = 194,846.13

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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.