Home / 302,018.38-416,785.62-166,054.66

Finding the Fourth Proportional to 302,018.38, 416,785.62 and 166,054.66

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Solution

The fourth proportional to 302,018.38, 416,785.62 and 166,054.66 is: 229,155.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,018.38 : 416,785.62 = 166,054.66 : x
  2. Step 2: Convert to fraction form
    302,018.38/416,785.62 = 166,054.66/x
  3. Step 3: Cross multiply
    302,018.38x = 416,785.62 × 166,054.66
  4. Step 4: Simplify right side
    302,018.38x = 69,209,194,421.99
  5. Step 5: Solve for x
    x = 69,209,194,421.99/302,018.38
  6. Step 6: Final answer
    x = 229,155.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.