Home / 183,685.23-253,485.49-103,112.91

Finding the Fourth Proportional to 183,685.23, 253,485.49 and 103,112.91

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Solution

The fourth proportional to 183,685.23, 253,485.49 and 103,112.91 is: 142,295.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,685.23 : 253,485.49 = 103,112.91 : x
  2. Step 2: Convert to fraction form
    183,685.23/253,485.49 = 103,112.91/x
  3. Step 3: Cross multiply
    183,685.23x = 253,485.49 × 103,112.91
  4. Step 4: Simplify right side
    183,685.23x = 26,137,626,516.68
  5. Step 5: Solve for x
    x = 26,137,626,516.68/183,685.23
  6. Step 6: Final answer
    x = 142,295.74

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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.