Home / 104,466.21-144,159.44-56,718.54

Finding the Fourth Proportional to 104,466.21, 144,159.44 and 56,718.54

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Solution

The fourth proportional to 104,466.21, 144,159.44 and 56,718.54 is: 78,269.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,466.21 : 144,159.44 = 56,718.54 : x
  2. Step 2: Convert to fraction form
    104,466.21/144,159.44 = 56,718.54/x
  3. Step 3: Cross multiply
    104,466.21x = 144,159.44 × 56,718.54
  4. Step 4: Simplify right side
    104,466.21x = 8,176,512,680.42
  5. Step 5: Solve for x
    x = 8,176,512,680.42/104,466.21
  6. Step 6: Final answer
    x = 78,269.45

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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.