Home / 186,921.67-257,942.85-106,341.65

Finding the Fourth Proportional to 186,921.67, 257,942.85 and 106,341.65

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Solution

The fourth proportional to 186,921.67, 257,942.85 and 106,341.65 is: 146,746.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,921.67 : 257,942.85 = 106,341.65 : x
  2. Step 2: Convert to fraction form
    186,921.67/257,942.85 = 106,341.65/x
  3. Step 3: Cross multiply
    186,921.67x = 257,942.85 × 106,341.65
  4. Step 4: Simplify right side
    186,921.67x = 27,430,068,274.70
  5. Step 5: Solve for x
    x = 27,430,068,274.70/186,921.67
  6. Step 6: Final answer
    x = 146,746.33

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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.