Home / 230,839.94-318,564.49-144,802.55

Finding the Fourth Proportional to 230,839.94, 318,564.49 and 144,802.55

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Solution

The fourth proportional to 230,839.94, 318,564.49 and 144,802.55 is: 199,830.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,839.94 : 318,564.49 = 144,802.55 : x
  2. Step 2: Convert to fraction form
    230,839.94/318,564.49 = 144,802.55/x
  3. Step 3: Cross multiply
    230,839.94x = 318,564.49 × 144,802.55
  4. Step 4: Simplify right side
    230,839.94x = 46,128,950,301.39
  5. Step 5: Solve for x
    x = 46,128,950,301.39/230,839.94
  6. Step 6: Final answer
    x = 199,830.89

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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.