Home / 196,437.69-294,658.38-107,642.72

Finding the Fourth Proportional to 196,437.69, 294,658.38 and 107,642.72

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Solution

The fourth proportional to 196,437.69, 294,658.38 and 107,642.72 is: 161,465.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,437.69 : 294,658.38 = 107,642.72 : x
  2. Step 2: Convert to fraction form
    196,437.69/294,658.38 = 107,642.72/x
  3. Step 3: Cross multiply
    196,437.69x = 294,658.38 × 107,642.72
  4. Step 4: Simplify right side
    196,437.69x = 31,717,828,020.70
  5. Step 5: Solve for x
    x = 31,717,828,020.70/196,437.69
  6. Step 6: Final answer
    x = 161,465.08

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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.