Home / 236,483.49-326,354.13-129,060.42

Finding the Fourth Proportional to 236,483.49, 326,354.13 and 129,060.42

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Solution

The fourth proportional to 236,483.49, 326,354.13 and 129,060.42 is: 178,107.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,483.49 : 326,354.13 = 129,060.42 : x
  2. Step 2: Convert to fraction form
    236,483.49/326,354.13 = 129,060.42/x
  3. Step 3: Cross multiply
    236,483.49x = 326,354.13 × 129,060.42
  4. Step 4: Simplify right side
    236,483.49x = 42,119,401,086.53
  5. Step 5: Solve for x
    x = 42,119,401,086.53/236,483.49
  6. Step 6: Final answer
    x = 178,107.15

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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.