Home / 186,411.24-257,237.64-105,836.76

Finding the Fourth Proportional to 186,411.24, 257,237.64 and 105,836.76

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Solution

The fourth proportional to 186,411.24, 257,237.64 and 105,836.76 is: 146,049.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,411.24 : 257,237.64 = 105,836.76 : x
  2. Step 2: Convert to fraction form
    186,411.24/257,237.64 = 105,836.76/x
  3. Step 3: Cross multiply
    186,411.24x = 257,237.64 × 105,836.76
  4. Step 4: Simplify right side
    186,411.24x = 27,225,198,367.65
  5. Step 5: Solve for x
    x = 27,225,198,367.65/186,411.24
  6. Step 6: Final answer
    x = 146,049.12

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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.