Home / 277,905.12-383,641.31-186,182.34

Finding the Fourth Proportional to 277,905.12, 383,641.31 and 186,182.34

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Solution

The fourth proportional to 277,905.12, 383,641.31 and 186,182.34 is: 257,020.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,905.12 : 383,641.31 = 186,182.34 : x
  2. Step 2: Convert to fraction form
    277,905.12/383,641.31 = 186,182.34/x
  3. Step 3: Cross multiply
    277,905.12x = 383,641.31 × 186,182.34
  4. Step 4: Simplify right side
    277,905.12x = 71,427,235,885.55
  5. Step 5: Solve for x
    x = 71,427,235,885.55/277,905.12
  6. Step 6: Final answer
    x = 257,020.22

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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.