Home / 148,111.22-204,392.63-80,127.99

Finding the Fourth Proportional to 148,111.22, 204,392.63 and 80,127.99

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Solution

The fourth proportional to 148,111.22, 204,392.63 and 80,127.99 is: 110,576.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,111.22 : 204,392.63 = 80,127.99 : x
  2. Step 2: Convert to fraction form
    148,111.22/204,392.63 = 80,127.99/x
  3. Step 3: Cross multiply
    148,111.22x = 204,392.63 × 80,127.99
  4. Step 4: Simplify right side
    148,111.22x = 16,377,570,612.71
  5. Step 5: Solve for x
    x = 16,377,570,612.71/148,111.22
  6. Step 6: Final answer
    x = 110,576.16

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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.