Home / 185,019.80-255,325.50-104,445.59

Finding the Fourth Proportional to 185,019.80, 255,325.50 and 104,445.59

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Solution

The fourth proportional to 185,019.80, 255,325.50 and 104,445.59 is: 144,133.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,019.80 : 255,325.50 = 104,445.59 : x
  2. Step 2: Convert to fraction form
    185,019.80/255,325.50 = 104,445.59/x
  3. Step 3: Cross multiply
    185,019.80x = 255,325.50 × 104,445.59
  4. Step 4: Simplify right side
    185,019.80x = 26,667,621,212.92
  5. Step 5: Solve for x
    x = 26,667,621,212.92/185,019.80
  6. Step 6: Final answer
    x = 144,133.88

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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.