Home / 380,186.12-524,621.30-227,193.95

Finding the Fourth Proportional to 380,186.12, 524,621.30 and 227,193.95

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Solution

The fourth proportional to 380,186.12, 524,621.30 and 227,193.95 is: 313,506.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,186.12 : 524,621.30 = 227,193.95 : x
  2. Step 2: Convert to fraction form
    380,186.12/524,621.30 = 227,193.95/x
  3. Step 3: Cross multiply
    380,186.12x = 524,621.30 × 227,193.95
  4. Step 4: Simplify right side
    380,186.12x = 119,190,781,642.06
  5. Step 5: Solve for x
    x = 119,190,781,642.06/380,186.12
  6. Step 6: Final answer
    x = 313,506.40

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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.