Home / 213,584.65-320,875.22-124,900.58

Finding the Fourth Proportional to 213,584.65, 320,875.22 and 124,900.58

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Solution

The fourth proportional to 213,584.65, 320,875.22 and 124,900.58 is: 187,642.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,584.65 : 320,875.22 = 124,900.58 : x
  2. Step 2: Convert to fraction form
    213,584.65/320,875.22 = 124,900.58/x
  3. Step 3: Cross multiply
    213,584.65x = 320,875.22 × 124,900.58
  4. Step 4: Simplify right side
    213,584.65x = 40,077,502,200.07
  5. Step 5: Solve for x
    x = 40,077,502,200.07/213,584.65
  6. Step 6: Final answer
    x = 187,642.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.