Home / 181,429.45-272,144.81-55,070.76

Finding the Fourth Proportional to 181,429.45, 272,144.81 and 55,070.76

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Solution

The fourth proportional to 181,429.45, 272,144.81 and 55,070.76 is: 82,606.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,429.45 : 272,144.81 = 55,070.76 : x
  2. Step 2: Convert to fraction form
    181,429.45/272,144.81 = 55,070.76/x
  3. Step 3: Cross multiply
    181,429.45x = 272,144.81 × 55,070.76
  4. Step 4: Simplify right side
    181,429.45x = 14,987,221,516.76
  5. Step 5: Solve for x
    x = 14,987,221,516.76/181,429.45
  6. Step 6: Final answer
    x = 82,606.33

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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.