Home / 193,126.77-289,702.89-66,779.24

Finding the Fourth Proportional to 193,126.77, 289,702.89 and 66,779.24

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Solution

The fourth proportional to 193,126.77, 289,702.89 and 66,779.24 is: 100,173.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,126.77 : 289,702.89 = 66,779.24 : x
  2. Step 2: Convert to fraction form
    193,126.77/289,702.89 = 66,779.24/x
  3. Step 3: Cross multiply
    193,126.77x = 289,702.89 × 66,779.24
  4. Step 4: Simplify right side
    193,126.77x = 19,346,137,371.49
  5. Step 5: Solve for x
    x = 19,346,137,371.49/193,126.77
  6. Step 6: Final answer
    x = 100,173.26

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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.