Home / 123,675.32-170,542.86-73,364.60

Finding the Fourth Proportional to 123,675.32, 170,542.86 and 73,364.60

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Solution

The fourth proportional to 123,675.32, 170,542.86 and 73,364.60 is: 101,166.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,675.32 : 170,542.86 = 73,364.60 : x
  2. Step 2: Convert to fraction form
    123,675.32/170,542.86 = 73,364.60/x
  3. Step 3: Cross multiply
    123,675.32x = 170,542.86 × 73,364.60
  4. Step 4: Simplify right side
    123,675.32x = 12,511,808,706.76
  5. Step 5: Solve for x
    x = 12,511,808,706.76/123,675.32
  6. Step 6: Final answer
    x = 101,166.58

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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.