Home / 475,129.36-712,783.77-190,842.22

Finding the Fourth Proportional to 475,129.36, 712,783.77 and 190,842.22

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Solution

The fourth proportional to 475,129.36, 712,783.77 and 190,842.22 is: 286,299.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,129.36 : 712,783.77 = 190,842.22 : x
  2. Step 2: Convert to fraction form
    475,129.36/712,783.77 = 190,842.22/x
  3. Step 3: Cross multiply
    475,129.36x = 712,783.77 × 190,842.22
  4. Step 4: Simplify right side
    475,129.36x = 136,029,237,046.77
  5. Step 5: Solve for x
    x = 136,029,237,046.77/475,129.36
  6. Step 6: Final answer
    x = 286,299.37

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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.