Home / 190,889.10-286,366.05-57,768.30

Finding the Fourth Proportional to 190,889.10, 286,366.05 and 57,768.30

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Solution

The fourth proportional to 190,889.10, 286,366.05 and 57,768.30 is: 86,662.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,889.10 : 286,366.05 = 57,768.30 : x
  2. Step 2: Convert to fraction form
    190,889.10/286,366.05 = 57,768.30/x
  3. Step 3: Cross multiply
    190,889.10x = 286,366.05 × 57,768.30
  4. Step 4: Simplify right side
    190,889.10x = 16,542,879,886.22
  5. Step 5: Solve for x
    x = 16,542,879,886.22/190,889.10
  6. Step 6: Final answer
    x = 86,662.26

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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.