Home / 305,156.41-457,672.04-115,551.38

Finding the Fourth Proportional to 305,156.41, 457,672.04 and 115,551.38

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Solution

The fourth proportional to 305,156.41, 457,672.04 and 115,551.38 is: 173,303.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,156.41 : 457,672.04 = 115,551.38 : x
  2. Step 2: Convert to fraction form
    305,156.41/457,672.04 = 115,551.38/x
  3. Step 3: Cross multiply
    305,156.41x = 457,672.04 × 115,551.38
  4. Step 4: Simplify right side
    305,156.41x = 52,884,636,809.16
  5. Step 5: Solve for x
    x = 52,884,636,809.16/305,156.41
  6. Step 6: Final answer
    x = 173,303.38

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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.