Home / 104,394.22-144,063.56-56,647.49

Finding the Fourth Proportional to 104,394.22, 144,063.56 and 56,647.49

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Solution

The fourth proportional to 104,394.22, 144,063.56 and 56,647.49 is: 78,173.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,394.22 : 144,063.56 = 56,647.49 : x
  2. Step 2: Convert to fraction form
    104,394.22/144,063.56 = 56,647.49/x
  3. Step 3: Cross multiply
    104,394.22x = 144,063.56 × 56,647.49
  4. Step 4: Simplify right side
    104,394.22x = 8,160,838,495.77
  5. Step 5: Solve for x
    x = 8,160,838,495.77/104,394.22
  6. Step 6: Final answer
    x = 78,173.28

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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.