Home / 186,904.53-257,928.57-102,021.66

Finding the Fourth Proportional to 186,904.53, 257,928.57 and 102,021.66

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Solution

The fourth proportional to 186,904.53, 257,928.57 and 102,021.66 is: 140,790.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,904.53 : 257,928.57 = 102,021.66 : x
  2. Step 2: Convert to fraction form
    186,904.53/257,928.57 = 102,021.66/x
  3. Step 3: Cross multiply
    186,904.53x = 257,928.57 × 102,021.66
  4. Step 4: Simplify right side
    186,904.53x = 26,314,300,872.83
  5. Step 5: Solve for x
    x = 26,314,300,872.83/186,904.53
  6. Step 6: Final answer
    x = 140,790.06

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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.