Home / 316,259.41-436,429.62-187,204.54

Finding the Fourth Proportional to 316,259.41, 436,429.62 and 187,204.54

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Solution

The fourth proportional to 316,259.41, 436,429.62 and 187,204.54 is: 258,337.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,259.41 : 436,429.62 = 187,204.54 : x
  2. Step 2: Convert to fraction form
    316,259.41/436,429.62 = 187,204.54/x
  3. Step 3: Cross multiply
    316,259.41x = 436,429.62 × 187,204.54
  4. Step 4: Simplify right side
    316,259.41x = 81,701,606,254.47
  5. Step 5: Solve for x
    x = 81,701,606,254.47/316,259.41
  6. Step 6: Final answer
    x = 258,337.31

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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.