Home / 186,904.04-257,928.90-102,021.80

Finding the Fourth Proportional to 186,904.04, 257,928.90 and 102,021.80

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Solution

The fourth proportional to 186,904.04, 257,928.90 and 102,021.80 is: 140,790.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,904.04 : 257,928.90 = 102,021.80 : x
  2. Step 2: Convert to fraction form
    186,904.04/257,928.90 = 102,021.80/x
  3. Step 3: Cross multiply
    186,904.04x = 257,928.90 × 102,021.80
  4. Step 4: Simplify right side
    186,904.04x = 26,314,370,650.02
  5. Step 5: Solve for x
    x = 26,314,370,650.02/186,904.04
  6. Step 6: Final answer
    x = 140,790.81

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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.