Home / 192,436.88-265,554.53-105,220.38

Finding the Fourth Proportional to 192,436.88, 265,554.53 and 105,220.38

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Solution

The fourth proportional to 192,436.88, 265,554.53 and 105,220.38 is: 145,199.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,436.88 : 265,554.53 = 105,220.38 : x
  2. Step 2: Convert to fraction form
    192,436.88/265,554.53 = 105,220.38/x
  3. Step 3: Cross multiply
    192,436.88x = 265,554.53 × 105,220.38
  4. Step 4: Simplify right side
    192,436.88x = 27,941,748,557.32
  5. Step 5: Solve for x
    x = 27,941,748,557.32/192,436.88
  6. Step 6: Final answer
    x = 145,199.55

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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.