Home / 330,453.81-456,025.14-187,241.15

Finding the Fourth Proportional to 330,453.81, 456,025.14 and 187,241.15

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Solution

The fourth proportional to 330,453.81, 456,025.14 and 187,241.15 is: 258,392.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,453.81 : 456,025.14 = 187,241.15 : x
  2. Step 2: Convert to fraction form
    330,453.81/456,025.14 = 187,241.15/x
  3. Step 3: Cross multiply
    330,453.81x = 456,025.14 × 187,241.15
  4. Step 4: Simplify right side
    330,453.81x = 85,386,672,782.57
  5. Step 5: Solve for x
    x = 85,386,672,782.57/330,453.81
  6. Step 6: Final answer
    x = 258,392.16

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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.