Home / 115,993.02-160,147.50-89,087.46

Finding the Fourth Proportional to 115,993.02, 160,147.50 and 89,087.46

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Solution

The fourth proportional to 115,993.02, 160,147.50 and 89,087.46 is: 122,999.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,993.02 : 160,147.50 = 89,087.46 : x
  2. Step 2: Convert to fraction form
    115,993.02/160,147.50 = 89,087.46/x
  3. Step 3: Cross multiply
    115,993.02x = 160,147.50 × 89,087.46
  4. Step 4: Simplify right side
    115,993.02x = 14,267,134,000.35
  5. Step 5: Solve for x
    x = 14,267,134,000.35/115,993.02
  6. Step 6: Final answer
    x = 122,999.94

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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.