Home / 196,730.04-271,488.30-107,307.96

Finding the Fourth Proportional to 196,730.04, 271,488.30 and 107,307.96

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Solution

The fourth proportional to 196,730.04, 271,488.30 and 107,307.96 is: 148,085.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,730.04 : 271,488.30 = 107,307.96 : x
  2. Step 2: Convert to fraction form
    196,730.04/271,488.30 = 107,307.96/x
  3. Step 3: Cross multiply
    196,730.04x = 271,488.30 × 107,307.96
  4. Step 4: Simplify right side
    196,730.04x = 29,132,855,636.87
  5. Step 5: Solve for x
    x = 29,132,855,636.87/196,730.04
  6. Step 6: Final answer
    x = 148,085.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.