Home / 129,623.26-178,880.08-70,007.26

Finding the Fourth Proportional to 129,623.26, 178,880.08 and 70,007.26

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Solution

The fourth proportional to 129,623.26, 178,880.08 and 70,007.26 is: 96,610.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,623.26 : 178,880.08 = 70,007.26 : x
  2. Step 2: Convert to fraction form
    129,623.26/178,880.08 = 70,007.26/x
  3. Step 3: Cross multiply
    129,623.26x = 178,880.08 × 70,007.26
  4. Step 4: Simplify right side
    129,623.26x = 12,522,904,269.38
  5. Step 5: Solve for x
    x = 12,522,904,269.38/129,623.26
  6. Step 6: Final answer
    x = 96,610.01

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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.