Home / 176,582.36-243,675.76-100,100.36

Finding the Fourth Proportional to 176,582.36, 243,675.76 and 100,100.36

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Solution

The fourth proportional to 176,582.36, 243,675.76 and 100,100.36 is: 138,134.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,582.36 : 243,675.76 = 100,100.36 : x
  2. Step 2: Convert to fraction form
    176,582.36/243,675.76 = 100,100.36/x
  3. Step 3: Cross multiply
    176,582.36x = 243,675.76 × 100,100.36
  4. Step 4: Simplify right side
    176,582.36x = 24,392,031,299.27
  5. Step 5: Solve for x
    x = 24,392,031,299.27/176,582.36
  6. Step 6: Final answer
    x = 138,134.02

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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.