Home / 163,779.02-226,138.24-161,163.32

Finding the Fourth Proportional to 163,779.02, 226,138.24 and 161,163.32

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Solution

The fourth proportional to 163,779.02, 226,138.24 and 161,163.32 is: 222,526.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,779.02 : 226,138.24 = 161,163.32 : x
  2. Step 2: Convert to fraction form
    163,779.02/226,138.24 = 161,163.32/x
  3. Step 3: Cross multiply
    163,779.02x = 226,138.24 × 161,163.32
  4. Step 4: Simplify right side
    163,779.02x = 36,445,189,537.36
  5. Step 5: Solve for x
    x = 36,445,189,537.36/163,779.02
  6. Step 6: Final answer
    x = 222,526.61

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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.