Home / 535,815.73-803,723.55-161,838.73

Finding the Fourth Proportional to 535,815.73, 803,723.55 and 161,838.73

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Solution

The fourth proportional to 535,815.73, 803,723.55 and 161,838.73 is: 242,758.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,815.73 : 803,723.55 = 161,838.73 : x
  2. Step 2: Convert to fraction form
    535,815.73/803,723.55 = 161,838.73/x
  3. Step 3: Cross multiply
    535,815.73x = 803,723.55 × 161,838.73
  4. Step 4: Simplify right side
    535,815.73x = 130,073,598,603.09
  5. Step 5: Solve for x
    x = 130,073,598,603.09/535,815.73
  6. Step 6: Final answer
    x = 242,758.08

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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.