Home / 189,164.57-261,045.39-104,281.63

Finding the Fourth Proportional to 189,164.57, 261,045.39 and 104,281.63

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Solution

The fourth proportional to 189,164.57, 261,045.39 and 104,281.63 is: 143,907.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,164.57 : 261,045.39 = 104,281.63 : x
  2. Step 2: Convert to fraction form
    189,164.57/261,045.39 = 104,281.63/x
  3. Step 3: Cross multiply
    189,164.57x = 261,045.39 × 104,281.63
  4. Step 4: Simplify right side
    189,164.57x = 27,222,238,773.19
  5. Step 5: Solve for x
    x = 27,222,238,773.19/189,164.57
  6. Step 6: Final answer
    x = 143,907.70

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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.