Home / 316,173.36-436,335.21-187,185.90

Finding the Fourth Proportional to 316,173.36, 436,335.21 and 187,185.90

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Solution

The fourth proportional to 316,173.36, 436,335.21 and 187,185.90 is: 258,326.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,173.36 : 436,335.21 = 187,185.90 : x
  2. Step 2: Convert to fraction form
    316,173.36/436,335.21 = 187,185.90/x
  3. Step 3: Cross multiply
    316,173.36x = 436,335.21 × 187,185.90
  4. Step 4: Simplify right side
    316,173.36x = 81,675,798,985.54
  5. Step 5: Solve for x
    x = 81,675,798,985.54/316,173.36
  6. Step 6: Final answer
    x = 258,326.00

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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.