Home / 186,911.22-257,928.51-106,331.20

Finding the Fourth Proportional to 186,911.22, 257,928.51 and 106,331.20

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Solution

The fourth proportional to 186,911.22, 257,928.51 and 106,331.20 is: 146,731.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,911.22 : 257,928.51 = 106,331.20 : x
  2. Step 2: Convert to fraction form
    186,911.22/257,928.51 = 106,331.20/x
  3. Step 3: Cross multiply
    186,911.22x = 257,928.51 × 106,331.20
  4. Step 4: Simplify right side
    186,911.22x = 27,425,847,982.51
  5. Step 5: Solve for x
    x = 27,425,847,982.51/186,911.22
  6. Step 6: Final answer
    x = 146,731.95

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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.