Home / 148,929.02-205,524.13-80,945.98

Finding the Fourth Proportional to 148,929.02, 205,524.13 and 80,945.98

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Solution

The fourth proportional to 148,929.02, 205,524.13 and 80,945.98 is: 111,706.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,929.02 : 205,524.13 = 80,945.98 : x
  2. Step 2: Convert to fraction form
    148,929.02/205,524.13 = 80,945.98/x
  3. Step 3: Cross multiply
    148,929.02x = 205,524.13 × 80,945.98
  4. Step 4: Simplify right side
    148,929.02x = 16,636,351,088.88
  5. Step 5: Solve for x
    x = 16,636,351,088.88/148,929.02
  6. Step 6: Final answer
    x = 111,706.58

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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.