Home / 104,440.30-144,127.68-56,693.64

Finding the Fourth Proportional to 104,440.30, 144,127.68 and 56,693.64

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Solution

The fourth proportional to 104,440.30, 144,127.68 and 56,693.64 is: 78,237.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,440.30 : 144,127.68 = 56,693.64 : x
  2. Step 2: Convert to fraction form
    104,440.30/144,127.68 = 56,693.64/x
  3. Step 3: Cross multiply
    104,440.30x = 144,127.68 × 56,693.64
  4. Step 4: Simplify right side
    104,440.30x = 8,171,122,803.96
  5. Step 5: Solve for x
    x = 8,171,122,803.96/104,440.30
  6. Step 6: Final answer
    x = 78,237.26

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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.