Home / 181,986.40-272,979.60-119,000.80

Finding the Fourth Proportional to 181,986.40, 272,979.60 and 119,000.80

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Solution

The fourth proportional to 181,986.40, 272,979.60 and 119,000.80 is: 178,501.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,986.40 : 272,979.60 = 119,000.80 : x
  2. Step 2: Convert to fraction form
    181,986.40/272,979.60 = 119,000.80/x
  3. Step 3: Cross multiply
    181,986.40x = 272,979.60 × 119,000.80
  4. Step 4: Simplify right side
    181,986.40x = 32,484,790,783.68
  5. Step 5: Solve for x
    x = 32,484,790,783.68/181,986.40
  6. Step 6: Final answer
    x = 178,501.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.