Home / 316,265.06-436,456.13-180,296.57

Finding the Fourth Proportional to 316,265.06, 436,456.13 and 180,296.57

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Solution

The fourth proportional to 316,265.06, 436,456.13 and 180,296.57 is: 248,815.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,265.06 : 436,456.13 = 180,296.57 : x
  2. Step 2: Convert to fraction form
    316,265.06/436,456.13 = 180,296.57/x
  3. Step 3: Cross multiply
    316,265.06x = 436,456.13 × 180,296.57
  4. Step 4: Simplify right side
    316,265.06x = 78,691,540,110.71
  5. Step 5: Solve for x
    x = 78,691,540,110.71/316,265.06
  6. Step 6: Final answer
    x = 248,815.16

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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.