Home / 330,536.97-456,131.52-187,343.28

Finding the Fourth Proportional to 330,536.97, 456,131.52 and 187,343.28

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Solution

The fourth proportional to 330,536.97, 456,131.52 and 187,343.28 is: 258,528.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,536.97 : 456,131.52 = 187,343.28 : x
  2. Step 2: Convert to fraction form
    330,536.97/456,131.52 = 187,343.28/x
  3. Step 3: Cross multiply
    330,536.97x = 456,131.52 × 187,343.28
  4. Step 4: Simplify right side
    330,536.97x = 85,453,175,068.19
  5. Step 5: Solve for x
    x = 85,453,175,068.19/330,536.97
  6. Step 6: Final answer
    x = 258,528.34

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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.