Home / 387,985.66-581,808.82-195,741.81

Finding the Fourth Proportional to 387,985.66, 581,808.82 and 195,741.81

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Solution

The fourth proportional to 387,985.66, 581,808.82 and 195,741.81 is: 293,527.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,985.66 : 581,808.82 = 195,741.81 : x
  2. Step 2: Convert to fraction form
    387,985.66/581,808.82 = 195,741.81/x
  3. Step 3: Cross multiply
    387,985.66x = 581,808.82 × 195,741.81
  4. Step 4: Simplify right side
    387,985.66x = 113,884,309,997.25
  5. Step 5: Solve for x
    x = 113,884,309,997.25/387,985.66
  6. Step 6: Final answer
    x = 293,527.11

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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.