Home / 447,296.61-670,715.08-131,712.51

Finding the Fourth Proportional to 447,296.61, 670,715.08 and 131,712.51

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Solution

The fourth proportional to 447,296.61, 670,715.08 and 131,712.51 is: 197,501.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,296.61 : 670,715.08 = 131,712.51 : x
  2. Step 2: Convert to fraction form
    447,296.61/670,715.08 = 131,712.51/x
  3. Step 3: Cross multiply
    447,296.61x = 670,715.08 × 131,712.51
  4. Step 4: Simplify right side
    447,296.61x = 88,341,566,681.65
  5. Step 5: Solve for x
    x = 88,341,566,681.65/447,296.61
  6. Step 6: Final answer
    x = 197,501.09

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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.