Home / 202,455.45-279,405.05-116,442.29

Finding the Fourth Proportional to 202,455.45, 279,405.05 and 116,442.29

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Solution

The fourth proportional to 202,455.45, 279,405.05 and 116,442.29 is: 160,699.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,455.45 : 279,405.05 = 116,442.29 : x
  2. Step 2: Convert to fraction form
    202,455.45/279,405.05 = 116,442.29/x
  3. Step 3: Cross multiply
    202,455.45x = 279,405.05 × 116,442.29
  4. Step 4: Simplify right side
    202,455.45x = 32,534,563,975.87
  5. Step 5: Solve for x
    x = 32,534,563,975.87/202,455.45
  6. Step 6: Final answer
    x = 160,699.87

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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.