Home / 118,611.23-163,687.58-64,896.25

Finding the Fourth Proportional to 118,611.23, 163,687.58 and 64,896.25

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Solution

The fourth proportional to 118,611.23, 163,687.58 and 64,896.25 is: 89,559.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,611.23 : 163,687.58 = 64,896.25 : x
  2. Step 2: Convert to fraction form
    118,611.23/163,687.58 = 64,896.25/x
  3. Step 3: Cross multiply
    118,611.23x = 163,687.58 × 64,896.25
  4. Step 4: Simplify right side
    118,611.23x = 10,622,710,113.58
  5. Step 5: Solve for x
    x = 10,622,710,113.58/118,611.23
  6. Step 6: Final answer
    x = 89,559.06

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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.