Home / 104,274.15-143,899.07-56,528.25

Finding the Fourth Proportional to 104,274.15, 143,899.07 and 56,528.25

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Solution

The fourth proportional to 104,274.15, 143,899.07 and 56,528.25 is: 78,009.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,274.15 : 143,899.07 = 56,528.25 : x
  2. Step 2: Convert to fraction form
    104,274.15/143,899.07 = 56,528.25/x
  3. Step 3: Cross multiply
    104,274.15x = 143,899.07 × 56,528.25
  4. Step 4: Simplify right side
    104,274.15x = 8,134,362,321.09
  5. Step 5: Solve for x
    x = 8,134,362,321.09/104,274.15
  6. Step 6: Final answer
    x = 78,009.39

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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.