Home / 185,205.56-255,588.51-112,583.54

Finding the Fourth Proportional to 185,205.56, 255,588.51 and 112,583.54

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Solution

The fourth proportional to 185,205.56, 255,588.51 and 112,583.54 is: 155,368.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,205.56 : 255,588.51 = 112,583.54 : x
  2. Step 2: Convert to fraction form
    185,205.56/255,588.51 = 112,583.54/x
  3. Step 3: Cross multiply
    185,205.56x = 255,588.51 × 112,583.54
  4. Step 4: Simplify right side
    185,205.56x = 28,775,059,239.13
  5. Step 5: Solve for x
    x = 28,775,059,239.13/185,205.56
  6. Step 6: Final answer
    x = 155,368.23

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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.