Home / 186,230.84-257,004.39-105,661.76

Finding the Fourth Proportional to 186,230.84, 257,004.39 and 105,661.76

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Solution

The fourth proportional to 186,230.84, 257,004.39 and 105,661.76 is: 145,816.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,230.84 : 257,004.39 = 105,661.76 : x
  2. Step 2: Convert to fraction form
    186,230.84/257,004.39 = 105,661.76/x
  3. Step 3: Cross multiply
    186,230.84x = 257,004.39 × 105,661.76
  4. Step 4: Simplify right side
    186,230.84x = 27,155,536,175.13
  5. Step 5: Solve for x
    x = 27,155,536,175.13/186,230.84
  6. Step 6: Final answer
    x = 145,816.54

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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.