Home / 104,467.02-144,165.24-56,720.40

Finding the Fourth Proportional to 104,467.02, 144,165.24 and 56,720.40

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Solution

The fourth proportional to 104,467.02, 144,165.24 and 56,720.40 is: 78,274.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,467.02 : 144,165.24 = 56,720.40 : x
  2. Step 2: Convert to fraction form
    104,467.02/144,165.24 = 56,720.40/x
  3. Step 3: Cross multiply
    104,467.02x = 144,165.24 × 56,720.40
  4. Step 4: Simplify right side
    104,467.02x = 8,177,110,078.90
  5. Step 5: Solve for x
    x = 8,177,110,078.90/104,467.02
  6. Step 6: Final answer
    x = 78,274.56

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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.