Home / 158,228.20-218,346.46-86,594.37

Finding the Fourth Proportional to 158,228.20, 218,346.46 and 86,594.37

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Solution

The fourth proportional to 158,228.20, 218,346.46 and 86,594.37 is: 119,495.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,228.20 : 218,346.46 = 86,594.37 : x
  2. Step 2: Convert to fraction form
    158,228.20/218,346.46 = 86,594.37/x
  3. Step 3: Cross multiply
    158,228.20x = 218,346.46 × 86,594.37
  4. Step 4: Simplify right side
    158,228.20x = 18,907,574,145.43
  5. Step 5: Solve for x
    x = 18,907,574,145.43/158,228.20
  6. Step 6: Final answer
    x = 119,495.60

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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.