Home / 186,929.75-257,964.14-102,047.69

Finding the Fourth Proportional to 186,929.75, 257,964.14 and 102,047.69

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Solution

The fourth proportional to 186,929.75, 257,964.14 and 102,047.69 is: 140,826.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,929.75 : 257,964.14 = 102,047.69 : x
  2. Step 2: Convert to fraction form
    186,929.75/257,964.14 = 102,047.69/x
  3. Step 3: Cross multiply
    186,929.75x = 257,964.14 × 102,047.69
  4. Step 4: Simplify right side
    186,929.75x = 26,324,644,589.84
  5. Step 5: Solve for x
    x = 26,324,644,589.84/186,929.75
  6. Step 6: Final answer
    x = 140,826.40

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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.