Home / 186,104.79-256,825.49-101,222.46

Finding the Fourth Proportional to 186,104.79, 256,825.49 and 101,222.46

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Solution

The fourth proportional to 186,104.79, 256,825.49 and 101,222.46 is: 139,687.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,104.79 : 256,825.49 = 101,222.46 : x
  2. Step 2: Convert to fraction form
    186,104.79/256,825.49 = 101,222.46/x
  3. Step 3: Cross multiply
    186,104.79x = 256,825.49 × 101,222.46
  4. Step 4: Simplify right side
    186,104.79x = 25,996,507,382.39
  5. Step 5: Solve for x
    x = 25,996,507,382.39/186,104.79
  6. Step 6: Final answer
    x = 139,687.47

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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.