Home / 215,733.98-297,714.28-120,246.74

Finding the Fourth Proportional to 215,733.98, 297,714.28 and 120,246.74

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Solution

The fourth proportional to 215,733.98, 297,714.28 and 120,246.74 is: 165,941.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,733.98 : 297,714.28 = 120,246.74 : x
  2. Step 2: Convert to fraction form
    215,733.98/297,714.28 = 120,246.74/x
  3. Step 3: Cross multiply
    215,733.98x = 297,714.28 × 120,246.74
  4. Step 4: Simplify right side
    215,733.98x = 35,799,171,621.45
  5. Step 5: Solve for x
    x = 35,799,171,621.45/215,733.98
  6. Step 6: Final answer
    x = 165,941.27

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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.