Home / 386,846.11-580,241.73-102,530.35

Finding the Fourth Proportional to 386,846.11, 580,241.73 and 102,530.35

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Solution

The fourth proportional to 386,846.11, 580,241.73 and 102,530.35 is: 153,788.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,846.11 : 580,241.73 = 102,530.35 : x
  2. Step 2: Convert to fraction form
    386,846.11/580,241.73 = 102,530.35/x
  3. Step 3: Cross multiply
    386,846.11x = 580,241.73 × 102,530.35
  4. Step 4: Simplify right side
    386,846.11x = 59,492,387,661.51
  5. Step 5: Solve for x
    x = 59,492,387,661.51/386,846.11
  6. Step 6: Final answer
    x = 153,788.25

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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.