Home / 181,423.37-272,099.51-172,421.84

Finding the Fourth Proportional to 181,423.37, 272,099.51 and 172,421.84

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Solution

The fourth proportional to 181,423.37, 272,099.51 and 172,421.84 is: 258,598.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,423.37 : 272,099.51 = 172,421.84 : x
  2. Step 2: Convert to fraction form
    181,423.37/272,099.51 = 172,421.84/x
  3. Step 3: Cross multiply
    181,423.37x = 272,099.51 × 172,421.84
  4. Step 4: Simplify right side
    181,423.37x = 46,915,895,954.69
  5. Step 5: Solve for x
    x = 46,915,895,954.69/181,423.37
  6. Step 6: Final answer
    x = 258,598.97

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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.