Home / 291,536.06-436,878.57-129,234.30

Finding the Fourth Proportional to 291,536.06, 436,878.57 and 129,234.30

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Solution

The fourth proportional to 291,536.06, 436,878.57 and 129,234.30 is: 193,662.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,536.06 : 436,878.57 = 129,234.30 : x
  2. Step 2: Convert to fraction form
    291,536.06/436,878.57 = 129,234.30/x
  3. Step 3: Cross multiply
    291,536.06x = 436,878.57 × 129,234.30
  4. Step 4: Simplify right side
    291,536.06x = 56,459,696,178.95
  5. Step 5: Solve for x
    x = 56,459,696,178.95/291,536.06
  6. Step 6: Final answer
    x = 193,662.82

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1.5x scale

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.