Home / 161,924.85-243,031.71-161,322.02

Finding the Fourth Proportional to 161,924.85, 243,031.71 and 161,322.02

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Solution

The fourth proportional to 161,924.85, 243,031.71 and 161,322.02 is: 242,126.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,924.85 : 243,031.71 = 161,322.02 : x
  2. Step 2: Convert to fraction form
    161,924.85/243,031.71 = 161,322.02/x
  3. Step 3: Cross multiply
    161,924.85x = 243,031.71 × 161,322.02
  4. Step 4: Simplify right side
    161,924.85x = 39,206,365,166.10
  5. Step 5: Solve for x
    x = 39,206,365,166.10/161,924.85
  6. Step 6: Final answer
    x = 242,126.92

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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.