Home / 211,565.34-317,349.18-53,793.90

Finding the Fourth Proportional to 211,565.34, 317,349.18 and 53,793.90

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Solution

The fourth proportional to 211,565.34, 317,349.18 and 53,793.90 is: 80,691.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,565.34 : 317,349.18 = 53,793.90 : x
  2. Step 2: Convert to fraction form
    211,565.34/317,349.18 = 53,793.90/x
  3. Step 3: Cross multiply
    211,565.34x = 317,349.18 × 53,793.90
  4. Step 4: Simplify right side
    211,565.34x = 17,071,450,054.00
  5. Step 5: Solve for x
    x = 17,071,450,054.00/211,565.34
  6. Step 6: Final answer
    x = 80,691.15

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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.