Home / 323,001.27-445,756.37-187,041.15

Finding the Fourth Proportional to 323,001.27, 445,756.37 and 187,041.15

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Solution

The fourth proportional to 323,001.27, 445,756.37 and 187,041.15 is: 258,125.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,001.27 : 445,756.37 = 187,041.15 : x
  2. Step 2: Convert to fraction form
    323,001.27/445,756.37 = 187,041.15/x
  3. Step 3: Cross multiply
    323,001.27x = 445,756.37 × 187,041.15
  4. Step 4: Simplify right side
    323,001.27x = 83,374,783,129.42
  5. Step 5: Solve for x
    x = 83,374,783,129.42/323,001.27
  6. Step 6: Final answer
    x = 258,125.25

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1.5x scale

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.