Home / 214,731.36-296,050.32-138,113.46

Finding the Fourth Proportional to 214,731.36, 296,050.32 and 138,113.46

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Solution

The fourth proportional to 214,731.36, 296,050.32 and 138,113.46 is: 190,417.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,731.36 : 296,050.32 = 138,113.46 : x
  2. Step 2: Convert to fraction form
    214,731.36/296,050.32 = 138,113.46/x
  3. Step 3: Cross multiply
    214,731.36x = 296,050.32 × 138,113.46
  4. Step 4: Simplify right side
    214,731.36x = 40,888,534,029.31
  5. Step 5: Solve for x
    x = 40,888,534,029.31/214,731.36
  6. Step 6: Final answer
    x = 190,417.15

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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.