Home / 211,541.04-317,312.25-53,769.50

Finding the Fourth Proportional to 211,541.04, 317,312.25 and 53,769.50

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Solution

The fourth proportional to 211,541.04, 317,312.25 and 53,769.50 is: 80,654.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,541.04 : 317,312.25 = 53,769.50 : x
  2. Step 2: Convert to fraction form
    211,541.04/317,312.25 = 53,769.50/x
  3. Step 3: Cross multiply
    211,541.04x = 317,312.25 × 53,769.50
  4. Step 4: Simplify right side
    211,541.04x = 17,061,719,611.27
  5. Step 5: Solve for x
    x = 17,061,719,611.27/211,541.04
  6. Step 6: Final answer
    x = 80,654.42

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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.