Home / 161,537.90-242,332.97-54,931.37

Finding the Fourth Proportional to 161,537.90, 242,332.97 and 54,931.37

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Solution

The fourth proportional to 161,537.90, 242,332.97 and 54,931.37 is: 82,405.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,537.90 : 242,332.97 = 54,931.37 : x
  2. Step 2: Convert to fraction form
    161,537.90/242,332.97 = 54,931.37/x
  3. Step 3: Cross multiply
    161,537.90x = 242,332.97 × 54,931.37
  4. Step 4: Simplify right side
    161,537.90x = 13,311,680,551.95
  5. Step 5: Solve for x
    x = 13,311,680,551.95/161,537.90
  6. Step 6: Final answer
    x = 82,405.93

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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.