Home / 185,989.30-256,665.49-101,106.36

Finding the Fourth Proportional to 185,989.30, 256,665.49 and 101,106.36

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Solution

The fourth proportional to 185,989.30, 256,665.49 and 101,106.36 is: 139,526.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,989.30 : 256,665.49 = 101,106.36 : x
  2. Step 2: Convert to fraction form
    185,989.30/256,665.49 = 101,106.36/x
  3. Step 3: Cross multiply
    185,989.30x = 256,665.49 × 101,106.36
  4. Step 4: Simplify right side
    185,989.30x = 25,950,513,178.75
  5. Step 5: Solve for x
    x = 25,950,513,178.75/185,989.30
  6. Step 6: Final answer
    x = 139,526.92

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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.