Home / 123,451.36-185,186.64-40,353.76

Finding the Fourth Proportional to 123,451.36, 185,186.64 and 40,353.76

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Solution

The fourth proportional to 123,451.36, 185,186.64 and 40,353.76 is: 60,533.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,451.36 : 185,186.64 = 40,353.76 : x
  2. Step 2: Convert to fraction form
    123,451.36/185,186.64 = 40,353.76/x
  3. Step 3: Cross multiply
    123,451.36x = 185,186.64 × 40,353.76
  4. Step 4: Simplify right side
    123,451.36x = 7,472,977,225.77
  5. Step 5: Solve for x
    x = 7,472,977,225.77/123,451.36
  6. Step 6: Final answer
    x = 60,533.78

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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.