Home / 124,143.05-171,303.49-73,152.47

Finding the Fourth Proportional to 124,143.05, 171,303.49 and 73,152.47

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Solution

The fourth proportional to 124,143.05, 171,303.49 and 73,152.47 is: 100,942.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,143.05 : 171,303.49 = 73,152.47 : x
  2. Step 2: Convert to fraction form
    124,143.05/171,303.49 = 73,152.47/x
  3. Step 3: Cross multiply
    124,143.05x = 171,303.49 × 73,152.47
  4. Step 4: Simplify right side
    124,143.05x = 12,531,273,047.36
  5. Step 5: Solve for x
    x = 12,531,273,047.36/124,143.05
  6. Step 6: Final answer
    x = 100,942.20

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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.