Home / 214,316.51-321,488.10-56,545.11

Finding the Fourth Proportional to 214,316.51, 321,488.10 and 56,545.11

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Solution

The fourth proportional to 214,316.51, 321,488.10 and 56,545.11 is: 84,821.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,316.51 : 321,488.10 = 56,545.11 : x
  2. Step 2: Convert to fraction form
    214,316.51/321,488.10 = 56,545.11/x
  3. Step 3: Cross multiply
    214,316.51x = 321,488.10 × 56,545.11
  4. Step 4: Simplify right side
    214,316.51x = 18,178,579,978.19
  5. Step 5: Solve for x
    x = 18,178,579,978.19/214,316.51
  6. Step 6: Final answer
    x = 84,821.19

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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.