Home / 351,036.36-526,231.50-190,878.30

Finding the Fourth Proportional to 351,036.36, 526,231.50 and 190,878.30

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Solution

The fourth proportional to 351,036.36, 526,231.50 and 190,878.30 is: 286,141.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,036.36 : 526,231.50 = 190,878.30 : x
  2. Step 2: Convert to fraction form
    351,036.36/526,231.50 = 190,878.30/x
  3. Step 3: Cross multiply
    351,036.36x = 526,231.50 × 190,878.30
  4. Step 4: Simplify right side
    351,036.36x = 100,446,174,126.45
  5. Step 5: Solve for x
    x = 100,446,174,126.45/351,036.36
  6. Step 6: Final answer
    x = 286,141.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.