Home / 303,550.13-455,282.37-190,886.83

Finding the Fourth Proportional to 303,550.13, 455,282.37 and 190,886.83

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Solution

The fourth proportional to 303,550.13, 455,282.37 and 190,886.83 is: 286,303.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,550.13 : 455,282.37 = 190,886.83 : x
  2. Step 2: Convert to fraction form
    303,550.13/455,282.37 = 190,886.83/x
  3. Step 3: Cross multiply
    303,550.13x = 455,282.37 × 190,886.83
  4. Step 4: Simplify right side
    303,550.13x = 86,907,407,225.98
  5. Step 5: Solve for x
    x = 86,907,407,225.98/303,550.13
  6. Step 6: Final answer
    x = 286,303.31

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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.