Home / 190,553.09-285,826.86-46,459.49

Finding the Fourth Proportional to 190,553.09, 285,826.86 and 46,459.49

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Solution

The fourth proportional to 190,553.09, 285,826.86 and 46,459.49 is: 69,688.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,553.09 : 285,826.86 = 46,459.49 : x
  2. Step 2: Convert to fraction form
    190,553.09/285,826.86 = 46,459.49/x
  3. Step 3: Cross multiply
    190,553.09x = 285,826.86 × 46,459.49
  4. Step 4: Simplify right side
    190,553.09x = 13,279,368,714.77
  5. Step 5: Solve for x
    x = 13,279,368,714.77/190,553.09
  6. Step 6: Final answer
    x = 69,688.55

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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.