Home / 104,426.64-144,109.80-56,680.44

Finding the Fourth Proportional to 104,426.64, 144,109.80 and 56,680.44

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Solution

The fourth proportional to 104,426.64, 144,109.80 and 56,680.44 is: 78,219.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,426.64 : 144,109.80 = 56,680.44 : x
  2. Step 2: Convert to fraction form
    104,426.64/144,109.80 = 56,680.44/x
  3. Step 3: Cross multiply
    104,426.64x = 144,109.80 × 56,680.44
  4. Step 4: Simplify right side
    104,426.64x = 8,168,206,872.31
  5. Step 5: Solve for x
    x = 8,168,206,872.31/104,426.64
  6. Step 6: Final answer
    x = 78,219.57

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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.