Home / 186,409.24-257,251.20-105,834.10

Finding the Fourth Proportional to 186,409.24, 257,251.20 and 105,834.10

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Solution

The fourth proportional to 186,409.24, 257,251.20 and 105,834.10 is: 146,054.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,409.24 : 257,251.20 = 105,834.10 : x
  2. Step 2: Convert to fraction form
    186,409.24/257,251.20 = 105,834.10/x
  3. Step 3: Cross multiply
    186,409.24x = 257,251.20 × 105,834.10
  4. Step 4: Simplify right side
    186,409.24x = 27,225,949,225.92
  5. Step 5: Solve for x
    x = 27,225,949,225.92/186,409.24
  6. Step 6: Final answer
    x = 146,054.72

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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.