Home / 211,285.56-316,715.04-132,455.16

Finding the Fourth Proportional to 211,285.56, 316,715.04 and 132,455.16

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Solution

The fourth proportional to 211,285.56, 316,715.04 and 132,455.16 is: 198,549.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,285.56 : 316,715.04 = 132,455.16 : x
  2. Step 2: Convert to fraction form
    211,285.56/316,715.04 = 132,455.16/x
  3. Step 3: Cross multiply
    211,285.56x = 316,715.04 × 132,455.16
  4. Step 4: Simplify right side
    211,285.56x = 41,950,541,297.61
  5. Step 5: Solve for x
    x = 41,950,541,297.61/211,285.56
  6. Step 6: Final answer
    x = 198,549.02

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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.