Home / 316,360.48-436,574.20-180,416.56

Finding the Fourth Proportional to 316,360.48, 436,574.20 and 180,416.56

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Solution

The fourth proportional to 316,360.48, 436,574.20 and 180,416.56 is: 248,972.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,360.48 : 436,574.20 = 180,416.56 : x
  2. Step 2: Convert to fraction form
    316,360.48/436,574.20 = 180,416.56/x
  3. Step 3: Cross multiply
    316,360.48x = 436,574.20 × 180,416.56
  4. Step 4: Simplify right side
    316,360.48x = 78,765,215,348.75
  5. Step 5: Solve for x
    x = 78,765,215,348.75/316,360.48
  6. Step 6: Final answer
    x = 248,972.99

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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.