Home / 351,048.36-526,249.48-190,890.32

Finding the Fourth Proportional to 351,048.36, 526,249.48 and 190,890.32

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Solution

The fourth proportional to 351,048.36, 526,249.48 and 190,890.32 is: 286,159.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,048.36 : 526,249.48 = 190,890.32 : x
  2. Step 2: Convert to fraction form
    351,048.36/526,249.48 = 190,890.32/x
  3. Step 3: Cross multiply
    351,048.36x = 526,249.48 × 190,890.32
  4. Step 4: Simplify right side
    351,048.36x = 100,455,931,637.03
  5. Step 5: Solve for x
    x = 100,455,931,637.03/351,048.36
  6. Step 6: Final answer
    x = 286,159.81

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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.