Home / 411,249.51-616,671.95-144,971.33

Finding the Fourth Proportional to 411,249.51, 616,671.95 and 144,971.33

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Solution

The fourth proportional to 411,249.51, 616,671.95 and 144,971.33 is: 217,385.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,249.51 : 616,671.95 = 144,971.33 : x
  2. Step 2: Convert to fraction form
    411,249.51/616,671.95 = 144,971.33/x
  3. Step 3: Cross multiply
    411,249.51x = 616,671.95 × 144,971.33
  4. Step 4: Simplify right side
    411,249.51x = 89,399,750,044.26
  5. Step 5: Solve for x
    x = 89,399,750,044.26/411,249.51
  6. Step 6: Final answer
    x = 217,385.67

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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.