Home / 243,829.09-336,476.33-136,396.81

Finding the Fourth Proportional to 243,829.09, 336,476.33 and 136,396.81

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Solution

The fourth proportional to 243,829.09, 336,476.33 and 136,396.81 is: 188,223.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,829.09 : 336,476.33 = 136,396.81 : x
  2. Step 2: Convert to fraction form
    243,829.09/336,476.33 = 136,396.81/x
  3. Step 3: Cross multiply
    243,829.09x = 336,476.33 × 136,396.81
  4. Step 4: Simplify right side
    243,829.09x = 45,894,298,302.61
  5. Step 5: Solve for x
    x = 45,894,298,302.61/243,829.09
  6. Step 6: Final answer
    x = 188,223.23

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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.