Home / 211,200.04-316,801.14-53,428.63

Finding the Fourth Proportional to 211,200.04, 316,801.14 and 53,428.63

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Solution

The fourth proportional to 211,200.04, 316,801.14 and 53,428.63 is: 80,143.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,200.04 : 316,801.14 = 53,428.63 : x
  2. Step 2: Convert to fraction form
    211,200.04/316,801.14 = 53,428.63/x
  3. Step 3: Cross multiply
    211,200.04x = 316,801.14 × 53,428.63
  4. Step 4: Simplify right side
    211,200.04x = 16,926,250,892.64
  5. Step 5: Solve for x
    x = 16,926,250,892.64/211,200.04
  6. Step 6: Final answer
    x = 80,143.22

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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.