Home / 113,190.64-156,110.39-70,140.23

Finding the Fourth Proportional to 113,190.64, 156,110.39 and 70,140.23

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Solution

The fourth proportional to 113,190.64, 156,110.39 and 70,140.23 is: 96,736.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,190.64 : 156,110.39 = 70,140.23 : x
  2. Step 2: Convert to fraction form
    113,190.64/156,110.39 = 70,140.23/x
  3. Step 3: Cross multiply
    113,190.64x = 156,110.39 × 70,140.23
  4. Step 4: Simplify right side
    113,190.64x = 10,949,618,659.99
  5. Step 5: Solve for x
    x = 10,949,618,659.99/113,190.64
  6. Step 6: Final answer
    x = 96,736.08

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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.