Home / 104,268.44-143,890.34-56,521.38

Finding the Fourth Proportional to 104,268.44, 143,890.34 and 56,521.38

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Solution

The fourth proportional to 104,268.44, 143,890.34 and 56,521.38 is: 77,999.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,268.44 : 143,890.34 = 56,521.38 : x
  2. Step 2: Convert to fraction form
    104,268.44/143,890.34 = 56,521.38/x
  3. Step 3: Cross multiply
    104,268.44x = 143,890.34 × 56,521.38
  4. Step 4: Simplify right side
    104,268.44x = 8,132,880,585.47
  5. Step 5: Solve for x
    x = 8,132,880,585.47/104,268.44
  6. Step 6: Final answer
    x = 77,999.45

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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.