Home / 146,709.20-220,065.42-46,868.60

Finding the Fourth Proportional to 146,709.20, 220,065.42 and 46,868.60

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Solution

The fourth proportional to 146,709.20, 220,065.42 and 46,868.60 is: 70,303.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,709.20 : 220,065.42 = 46,868.60 : x
  2. Step 2: Convert to fraction form
    146,709.20/220,065.42 = 46,868.60/x
  3. Step 3: Cross multiply
    146,709.20x = 220,065.42 × 46,868.60
  4. Step 4: Simplify right side
    146,709.20x = 10,314,158,143.81
  5. Step 5: Solve for x
    x = 10,314,158,143.81/146,709.20
  6. Step 6: Final answer
    x = 70,303.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.