Home / 123,897.12-170,993.36-73,596.32

Finding the Fourth Proportional to 123,897.12, 170,993.36 and 73,596.32

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Solution

The fourth proportional to 123,897.12, 170,993.36 and 73,596.32 is: 101,572.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,897.12 : 170,993.36 = 73,596.32 : x
  2. Step 2: Convert to fraction form
    123,897.12/170,993.36 = 73,596.32/x
  3. Step 3: Cross multiply
    123,897.12x = 170,993.36 × 73,596.32
  4. Step 4: Simplify right side
    123,897.12x = 12,584,482,040.44
  5. Step 5: Solve for x
    x = 12,584,482,040.44/123,897.12
  6. Step 6: Final answer
    x = 101,572.03

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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.