Home / 374,170.40-516,354.26-204,405.74

Finding the Fourth Proportional to 374,170.40, 516,354.26 and 204,405.74

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Solution

The fourth proportional to 374,170.40, 516,354.26 and 204,405.74 is: 282,079.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,170.40 : 516,354.26 = 204,405.74 : x
  2. Step 2: Convert to fraction form
    374,170.40/516,354.26 = 204,405.74/x
  3. Step 3: Cross multiply
    374,170.40x = 516,354.26 × 204,405.74
  4. Step 4: Simplify right side
    374,170.40x = 105,545,774,617.45
  5. Step 5: Solve for x
    x = 105,545,774,617.45/374,170.40
  6. Step 6: Final answer
    x = 282,079.43

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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.