Home / 186,541.75-257,429.44-101,660.64

Finding the Fourth Proportional to 186,541.75, 257,429.44 and 101,660.64

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Solution

The fourth proportional to 186,541.75, 257,429.44 and 101,660.64 is: 140,292.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,541.75 : 257,429.44 = 101,660.64 : x
  2. Step 2: Convert to fraction form
    186,541.75/257,429.44 = 101,660.64/x
  3. Step 3: Cross multiply
    186,541.75x = 257,429.44 × 101,660.64
  4. Step 4: Simplify right side
    186,541.75x = 26,170,441,625.24
  5. Step 5: Solve for x
    x = 26,170,441,625.24/186,541.75
  6. Step 6: Final answer
    x = 140,292.68

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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.