Home / 209,877.14-314,814.68-52,105.59

Finding the Fourth Proportional to 209,877.14, 314,814.68 and 52,105.59

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Solution

The fourth proportional to 209,877.14, 314,814.68 and 52,105.59 is: 78,158.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,877.14 : 314,814.68 = 52,105.59 : x
  2. Step 2: Convert to fraction form
    209,877.14/314,814.68 = 52,105.59/x
  3. Step 3: Cross multiply
    209,877.14x = 314,814.68 × 52,105.59
  4. Step 4: Simplify right side
    209,877.14x = 16,403,604,642.06
  5. Step 5: Solve for x
    x = 16,403,604,642.06/209,877.14
  6. Step 6: Final answer
    x = 78,158.13

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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.