Home / 114,406.12-157,705.44-80,318.98

Finding the Fourth Proportional to 114,406.12, 157,705.44 and 80,318.98

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Solution

The fourth proportional to 114,406.12, 157,705.44 and 80,318.98 is: 110,717.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,406.12 : 157,705.44 = 80,318.98 : x
  2. Step 2: Convert to fraction form
    114,406.12/157,705.44 = 80,318.98/x
  3. Step 3: Cross multiply
    114,406.12x = 157,705.44 × 80,318.98
  4. Step 4: Simplify right side
    114,406.12x = 12,666,740,081.25
  5. Step 5: Solve for x
    x = 12,666,740,081.25/114,406.12
  6. Step 6: Final answer
    x = 110,717.33

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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.