Home / 205,312.77-307,875.33-63,108.54

Finding the Fourth Proportional to 205,312.77, 307,875.33 and 63,108.54

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Solution

The fourth proportional to 205,312.77, 307,875.33 and 63,108.54 is: 94,633.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,312.77 : 307,875.33 = 63,108.54 : x
  2. Step 2: Convert to fraction form
    205,312.77/307,875.33 = 63,108.54/x
  3. Step 3: Cross multiply
    205,312.77x = 307,875.33 × 63,108.54
  4. Step 4: Simplify right side
    205,312.77x = 19,429,562,578.32
  5. Step 5: Solve for x
    x = 19,429,562,578.32/205,312.77
  6. Step 6: Final answer
    x = 94,633.97

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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.