Home / 186,331.31-257,137.09-101,448.37

Finding the Fourth Proportional to 186,331.31, 257,137.09 and 101,448.37

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Solution

The fourth proportional to 186,331.31, 257,137.09 and 101,448.37 is: 139,998.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,331.31 : 257,137.09 = 101,448.37 : x
  2. Step 2: Convert to fraction form
    186,331.31/257,137.09 = 101,448.37/x
  3. Step 3: Cross multiply
    186,331.31x = 257,137.09 × 101,448.37
  4. Step 4: Simplify right side
    186,331.31x = 26,086,138,647.04
  5. Step 5: Solve for x
    x = 26,086,138,647.04/186,331.31
  6. Step 6: Final answer
    x = 139,998.69

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1.5x scale

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.