Home / 183,273.18-253,071.09-137,872.32

Finding the Fourth Proportional to 183,273.18, 253,071.09 and 137,872.32

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Solution

The fourth proportional to 183,273.18, 253,071.09 and 137,872.32 is: 190,379.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,273.18 : 253,071.09 = 137,872.32 : x
  2. Step 2: Convert to fraction form
    183,273.18/253,071.09 = 137,872.32/x
  3. Step 3: Cross multiply
    183,273.18x = 253,071.09 × 137,872.32
  4. Step 4: Simplify right side
    183,273.18x = 34,891,498,303.23
  5. Step 5: Solve for x
    x = 34,891,498,303.23/183,273.18
  6. Step 6: Final answer
    x = 190,379.73

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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.