Home / 358,748.66-538,189.25-148,403.00

Finding the Fourth Proportional to 358,748.66, 538,189.25 and 148,403.00

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Solution

The fourth proportional to 358,748.66, 538,189.25 and 148,403.00 is: 222,631.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,748.66 : 538,189.25 = 148,403.00 : x
  2. Step 2: Convert to fraction form
    358,748.66/538,189.25 = 148,403.00/x
  3. Step 3: Cross multiply
    358,748.66x = 538,189.25 × 148,403.00
  4. Step 4: Simplify right side
    358,748.66x = 79,868,899,871.21
  5. Step 5: Solve for x
    x = 79,868,899,871.21/358,748.66
  6. Step 6: Final answer
    x = 222,631.91

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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.