Home / 109,478.36-151,081.23-64,183.16

Finding the Fourth Proportional to 109,478.36, 151,081.23 and 64,183.16

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Solution

The fourth proportional to 109,478.36, 151,081.23 and 64,183.16 is: 88,573.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,478.36 : 151,081.23 = 64,183.16 : x
  2. Step 2: Convert to fraction form
    109,478.36/151,081.23 = 64,183.16/x
  3. Step 3: Cross multiply
    109,478.36x = 151,081.23 × 64,183.16
  4. Step 4: Simplify right side
    109,478.36x = 9,696,871,376.48
  5. Step 5: Solve for x
    x = 9,696,871,376.48/109,478.36
  6. Step 6: Final answer
    x = 88,573.41

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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.