Home / 148,828.08-205,384.91-80,846.31

Finding the Fourth Proportional to 148,828.08, 205,384.91 and 80,846.31

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Solution

The fourth proportional to 148,828.08, 205,384.91 and 80,846.31 is: 111,569.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,828.08 : 205,384.91 = 80,846.31 : x
  2. Step 2: Convert to fraction form
    148,828.08/205,384.91 = 80,846.31/x
  3. Step 3: Cross multiply
    148,828.08x = 205,384.91 × 80,846.31
  4. Step 4: Simplify right side
    148,828.08x = 16,604,611,698.95
  5. Step 5: Solve for x
    x = 16,604,611,698.95/148,828.08
  6. Step 6: Final answer
    x = 111,569.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.