Home / 131,211.94-180,878.88-92,852.32

Finding the Fourth Proportional to 131,211.94, 180,878.88 and 92,852.32

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Solution

The fourth proportional to 131,211.94, 180,878.88 and 92,852.32 is: 127,999.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,211.94 : 180,878.88 = 92,852.32 : x
  2. Step 2: Convert to fraction form
    131,211.94/180,878.88 = 92,852.32/x
  3. Step 3: Cross multiply
    131,211.94x = 180,878.88 × 92,852.32
  4. Step 4: Simplify right side
    131,211.94x = 16,795,023,647.00
  5. Step 5: Solve for x
    x = 16,795,023,647.00/131,211.94
  6. Step 6: Final answer
    x = 127,999.20

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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.