Home / 185,440.56-255,904.80-104,865.36

Finding the Fourth Proportional to 185,440.56, 255,904.80 and 104,865.36

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Solution

The fourth proportional to 185,440.56, 255,904.80 and 104,865.36 is: 144,712.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,440.56 : 255,904.80 = 104,865.36 : x
  2. Step 2: Convert to fraction form
    185,440.56/255,904.80 = 104,865.36/x
  3. Step 3: Cross multiply
    185,440.56x = 255,904.80 × 104,865.36
  4. Step 4: Simplify right side
    185,440.56x = 26,835,548,977.73
  5. Step 5: Solve for x
    x = 26,835,548,977.73/185,440.56
  6. Step 6: Final answer
    x = 144,712.40

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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.