Home / 148,943.18-205,518.69-88,491.47

Finding the Fourth Proportional to 148,943.18, 205,518.69 and 88,491.47

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Solution

The fourth proportional to 148,943.18, 205,518.69 and 88,491.47 is: 122,104.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,943.18 : 205,518.69 = 88,491.47 : x
  2. Step 2: Convert to fraction form
    148,943.18/205,518.69 = 88,491.47/x
  3. Step 3: Cross multiply
    148,943.18x = 205,518.69 × 88,491.47
  4. Step 4: Simplify right side
    148,943.18x = 18,186,649,962.98
  5. Step 5: Solve for x
    x = 18,186,649,962.98/148,943.18
  6. Step 6: Final answer
    x = 122,104.62

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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.