Home / 129,250.14-178,150.23-88,895.58

Finding the Fourth Proportional to 129,250.14, 178,150.23 and 88,895.58

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Solution

The fourth proportional to 129,250.14, 178,150.23 and 88,895.58 is: 122,528.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,250.14 : 178,150.23 = 88,895.58 : x
  2. Step 2: Convert to fraction form
    129,250.14/178,150.23 = 88,895.58/x
  3. Step 3: Cross multiply
    129,250.14x = 178,150.23 × 88,895.58
  4. Step 4: Simplify right side
    129,250.14x = 15,836,768,022.98
  5. Step 5: Solve for x
    x = 15,836,768,022.98/129,250.14
  6. Step 6: Final answer
    x = 122,528.05

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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.