Home / 186,271.31-257,047.27-105,694.04

Finding the Fourth Proportional to 186,271.31, 257,047.27 and 105,694.04

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Solution

The fourth proportional to 186,271.31, 257,047.27 and 105,694.04 is: 145,853.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,271.31 : 257,047.27 = 105,694.04 : x
  2. Step 2: Convert to fraction form
    186,271.31/257,047.27 = 105,694.04/x
  3. Step 3: Cross multiply
    186,271.31x = 257,047.27 × 105,694.04
  4. Step 4: Simplify right side
    186,271.31x = 27,168,362,887.80
  5. Step 5: Solve for x
    x = 27,168,362,887.80/186,271.31
  6. Step 6: Final answer
    x = 145,853.71

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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.