Home / 123,895.12-170,990.60-73,594.32

Finding the Fourth Proportional to 123,895.12, 170,990.60 and 73,594.32

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Solution

The fourth proportional to 123,895.12, 170,990.60 and 73,594.32 is: 101,569.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,895.12 : 170,990.60 = 73,594.32 : x
  2. Step 2: Convert to fraction form
    123,895.12/170,990.60 = 73,594.32/x
  3. Step 3: Cross multiply
    123,895.12x = 170,990.60 × 73,594.32
  4. Step 4: Simplify right side
    123,895.12x = 12,583,936,933.39
  5. Step 5: Solve for x
    x = 12,583,936,933.39/123,895.12
  6. Step 6: Final answer
    x = 101,569.27

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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.