Home / 183,915.33-253,825.82-103,341.09

Finding the Fourth Proportional to 183,915.33, 253,825.82 and 103,341.09

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Solution

The fourth proportional to 183,915.33, 253,825.82 and 103,341.09 is: 142,623.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,915.33 : 253,825.82 = 103,341.09 : x
  2. Step 2: Convert to fraction form
    183,915.33/253,825.82 = 103,341.09/x
  3. Step 3: Cross multiply
    183,915.33x = 253,825.82 × 103,341.09
  4. Step 4: Simplify right side
    183,915.33x = 26,230,637,731.61
  5. Step 5: Solve for x
    x = 26,230,637,731.61/183,915.33
  6. Step 6: Final answer
    x = 142,623.45

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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.