Home / 189,085.86-283,548.60-70,674.39

Finding the Fourth Proportional to 189,085.86, 283,548.60 and 70,674.39

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Solution

The fourth proportional to 189,085.86, 283,548.60 and 70,674.39 is: 105,981.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,085.86 : 283,548.60 = 70,674.39 : x
  2. Step 2: Convert to fraction form
    189,085.86/283,548.60 = 70,674.39/x
  3. Step 3: Cross multiply
    189,085.86x = 283,548.60 × 70,674.39
  4. Step 4: Simplify right side
    189,085.86x = 20,039,624,340.35
  5. Step 5: Solve for x
    x = 20,039,624,340.35/189,085.86
  6. Step 6: Final answer
    x = 105,981.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.