Home / 330,091.76-455,537.42-186,848.72

Finding the Fourth Proportional to 330,091.76, 455,537.42 and 186,848.72

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Solution

The fourth proportional to 330,091.76, 455,537.42 and 186,848.72 is: 257,857.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,091.76 : 455,537.42 = 186,848.72 : x
  2. Step 2: Convert to fraction form
    330,091.76/455,537.42 = 186,848.72/x
  3. Step 3: Cross multiply
    330,091.76x = 455,537.42 × 186,848.72
  4. Step 4: Simplify right side
    330,091.76x = 85,116,583,839.10
  5. Step 5: Solve for x
    x = 85,116,583,839.10/330,091.76
  6. Step 6: Final answer
    x = 257,857.34

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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.