Home / 186,622.20-257,574.60-122,956.20

Finding the Fourth Proportional to 186,622.20, 257,574.60 and 122,956.20

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Solution

The fourth proportional to 186,622.20, 257,574.60 and 122,956.20 is: 169,703.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,622.20 : 257,574.60 = 122,956.20 : x
  2. Step 2: Convert to fraction form
    186,622.20/257,574.60 = 122,956.20/x
  3. Step 3: Cross multiply
    186,622.20x = 257,574.60 × 122,956.20
  4. Step 4: Simplify right side
    186,622.20x = 31,670,394,032.52
  5. Step 5: Solve for x
    x = 31,670,394,032.52/186,622.20
  6. Step 6: Final answer
    x = 169,703.25

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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.