Home / 213,050.42-293,999.73-122,342.57

Finding the Fourth Proportional to 213,050.42, 293,999.73 and 122,342.57

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Solution

The fourth proportional to 213,050.42, 293,999.73 and 122,342.57 is: 168,827.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,050.42 : 293,999.73 = 122,342.57 : x
  2. Step 2: Convert to fraction form
    213,050.42/293,999.73 = 122,342.57/x
  3. Step 3: Cross multiply
    213,050.42x = 293,999.73 × 122,342.57
  4. Step 4: Simplify right side
    213,050.42x = 35,968,682,547.51
  5. Step 5: Solve for x
    x = 35,968,682,547.51/213,050.42
  6. Step 6: Final answer
    x = 168,827.09

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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.