Home / 316,090.24-436,245.28-180,173.76

Finding the Fourth Proportional to 316,090.24, 436,245.28 and 180,173.76

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Solution

The fourth proportional to 316,090.24, 436,245.28 and 180,173.76 is: 248,663.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,090.24 : 436,245.28 = 180,173.76 : x
  2. Step 2: Convert to fraction form
    316,090.24/436,245.28 = 180,173.76/x
  3. Step 3: Cross multiply
    316,090.24x = 436,245.28 × 180,173.76
  4. Step 4: Simplify right side
    316,090.24x = 78,599,952,379.85
  5. Step 5: Solve for x
    x = 78,599,952,379.85/316,090.24
  6. Step 6: Final answer
    x = 248,663.02

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1.5x scale

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.