Home / 180,623.92-249,236.34-100,031.56

Finding the Fourth Proportional to 180,623.92, 249,236.34 and 100,031.56

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Solution

The fourth proportional to 180,623.92, 249,236.34 and 100,031.56 is: 138,029.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,623.92 : 249,236.34 = 100,031.56 : x
  2. Step 2: Convert to fraction form
    180,623.92/249,236.34 = 100,031.56/x
  3. Step 3: Cross multiply
    180,623.92x = 249,236.34 × 100,031.56
  4. Step 4: Simplify right side
    180,623.92x = 24,931,499,898.89
  5. Step 5: Solve for x
    x = 24,931,499,898.89/180,623.92
  6. Step 6: Final answer
    x = 138,029.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.