Home / 186,231.21-257,004.87-105,662.13

Finding the Fourth Proportional to 186,231.21, 257,004.87 and 105,662.13

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Solution

The fourth proportional to 186,231.21, 257,004.87 and 105,662.13 is: 145,817.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,231.21 : 257,004.87 = 105,662.13 : x
  2. Step 2: Convert to fraction form
    186,231.21/257,004.87 = 105,662.13/x
  3. Step 3: Cross multiply
    186,231.21x = 257,004.87 × 105,662.13
  4. Step 4: Simplify right side
    186,231.21x = 27,155,681,984.57
  5. Step 5: Solve for x
    x = 27,155,681,984.57/186,231.21
  6. Step 6: Final answer
    x = 145,817.03

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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.