Home / 109,440.58-151,152.57-73,568.38

Finding the Fourth Proportional to 109,440.58, 151,152.57 and 73,568.38

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Solution

The fourth proportional to 109,440.58, 151,152.57 and 73,568.38 is: 101,608.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,440.58 : 151,152.57 = 73,568.38 : x
  2. Step 2: Convert to fraction form
    109,440.58/151,152.57 = 73,568.38/x
  3. Step 3: Cross multiply
    109,440.58x = 151,152.57 × 73,568.38
  4. Step 4: Simplify right side
    109,440.58x = 11,120,049,707.74
  5. Step 5: Solve for x
    x = 11,120,049,707.74/109,440.58
  6. Step 6: Final answer
    x = 101,608.10

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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.