Home / 107,440.94-148,313.96-72,523.16

Finding the Fourth Proportional to 107,440.94, 148,313.96 and 72,523.16

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Solution

The fourth proportional to 107,440.94, 148,313.96 and 72,523.16 is: 100,112.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,440.94 : 148,313.96 = 72,523.16 : x
  2. Step 2: Convert to fraction form
    107,440.94/148,313.96 = 72,523.16/x
  3. Step 3: Cross multiply
    107,440.94x = 148,313.96 × 72,523.16
  4. Step 4: Simplify right side
    107,440.94x = 10,756,197,051.31
  5. Step 5: Solve for x
    x = 10,756,197,051.31/107,440.94
  6. Step 6: Final answer
    x = 100,112.65

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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.