Home / 175,353.23-263,068.82-81,807.95

Finding the Fourth Proportional to 175,353.23, 263,068.82 and 81,807.95

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Solution

The fourth proportional to 175,353.23, 263,068.82 and 81,807.95 is: 122,730.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,353.23 : 263,068.82 = 81,807.95 : x
  2. Step 2: Convert to fraction form
    175,353.23/263,068.82 = 81,807.95/x
  3. Step 3: Cross multiply
    175,353.23x = 263,068.82 × 81,807.95
  4. Step 4: Simplify right side
    175,353.23x = 21,521,119,148.74
  5. Step 5: Solve for x
    x = 21,521,119,148.74/175,353.23
  6. Step 6: Final answer
    x = 122,730.10

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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.