Home / 181,939.10-272,908.65-57,280.10

Finding the Fourth Proportional to 181,939.10, 272,908.65 and 57,280.10

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Solution

The fourth proportional to 181,939.10, 272,908.65 and 57,280.10 is: 85,920.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,939.10 : 272,908.65 = 57,280.10 : x
  2. Step 2: Convert to fraction form
    181,939.10/272,908.65 = 57,280.10/x
  3. Step 3: Cross multiply
    181,939.10x = 272,908.65 × 57,280.10
  4. Step 4: Simplify right side
    181,939.10x = 15,632,234,762.87
  5. Step 5: Solve for x
    x = 15,632,234,762.87/181,939.10
  6. Step 6: Final answer
    x = 85,920.15

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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.