Home / 110,130.10-165,201.43-31,238.12

Finding the Fourth Proportional to 110,130.10, 165,201.43 and 31,238.12

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Solution

The fourth proportional to 110,130.10, 165,201.43 and 31,238.12 is: 46,858.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,130.10 : 165,201.43 = 31,238.12 : x
  2. Step 2: Convert to fraction form
    110,130.10/165,201.43 = 31,238.12/x
  3. Step 3: Cross multiply
    110,130.10x = 165,201.43 × 31,238.12
  4. Step 4: Simplify right side
    110,130.10x = 5,160,582,094.51
  5. Step 5: Solve for x
    x = 5,160,582,094.51/110,130.10
  6. Step 6: Final answer
    x = 46,858.96

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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.