Home / 115,999.55-160,156.50-89,093.96

Finding the Fourth Proportional to 115,999.55, 160,156.50 and 89,093.96

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Solution

The fourth proportional to 115,999.55, 160,156.50 and 89,093.96 is: 123,008.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,999.55 : 160,156.50 = 89,093.96 : x
  2. Step 2: Convert to fraction form
    115,999.55/160,156.50 = 89,093.96/x
  3. Step 3: Cross multiply
    115,999.55x = 160,156.50 × 89,093.96
  4. Step 4: Simplify right side
    115,999.55x = 14,268,976,804.74
  5. Step 5: Solve for x
    x = 14,268,976,804.74/115,999.55
  6. Step 6: Final answer
    x = 123,008.90

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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.