Home / 320,000.27-441,599.02-176,760.31

Finding the Fourth Proportional to 320,000.27, 441,599.02 and 176,760.31

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Solution

The fourth proportional to 320,000.27, 441,599.02 and 176,760.31 is: 243,928.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,000.27 : 441,599.02 = 176,760.31 : x
  2. Step 2: Convert to fraction form
    320,000.27/441,599.02 = 176,760.31/x
  3. Step 3: Cross multiply
    320,000.27x = 441,599.02 × 176,760.31
  4. Step 4: Simplify right side
    320,000.27x = 78,057,180,719.84
  5. Step 5: Solve for x
    x = 78,057,180,719.84/320,000.27
  6. Step 6: Final answer
    x = 243,928.49

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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.