Home / 205,038.07-307,521.64-92,692.16

Finding the Fourth Proportional to 205,038.07, 307,521.64 and 92,692.16

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Solution

The fourth proportional to 205,038.07, 307,521.64 and 92,692.16 is: 139,022.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,038.07 : 307,521.64 = 92,692.16 : x
  2. Step 2: Convert to fraction form
    205,038.07/307,521.64 = 92,692.16/x
  3. Step 3: Cross multiply
    205,038.07x = 307,521.64 × 92,692.16
  4. Step 4: Simplify right side
    205,038.07x = 28,504,845,058.34
  5. Step 5: Solve for x
    x = 28,504,845,058.34/205,038.07
  6. Step 6: Final answer
    x = 139,022.21

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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.