Home / 100,855.39-151,296.95-34,277.65

Finding the Fourth Proportional to 100,855.39, 151,296.95 and 34,277.65

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Solution

The fourth proportional to 100,855.39, 151,296.95 and 34,277.65 is: 51,421.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,855.39 : 151,296.95 = 34,277.65 : x
  2. Step 2: Convert to fraction form
    100,855.39/151,296.95 = 34,277.65/x
  3. Step 3: Cross multiply
    100,855.39x = 151,296.95 × 34,277.65
  4. Step 4: Simplify right side
    100,855.39x = 5,186,103,898.17
  5. Step 5: Solve for x
    x = 5,186,103,898.17/100,855.39
  6. Step 6: Final answer
    x = 51,421.19

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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.