Home / 143,615.08-197,983.02-101,041.48

Finding the Fourth Proportional to 143,615.08, 197,983.02 and 101,041.48

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Solution

The fourth proportional to 143,615.08, 197,983.02 and 101,041.48 is: 139,292.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,615.08 : 197,983.02 = 101,041.48 : x
  2. Step 2: Convert to fraction form
    143,615.08/197,983.02 = 101,041.48/x
  3. Step 3: Cross multiply
    143,615.08x = 197,983.02 × 101,041.48
  4. Step 4: Simplify right side
    143,615.08x = 20,004,497,355.67
  5. Step 5: Solve for x
    x = 20,004,497,355.67/143,615.08
  6. Step 6: Final answer
    x = 139,292.46

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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.