Home / 211,567.76-317,196.12-100,837.52

Finding the Fourth Proportional to 211,567.76, 317,196.12 and 100,837.52

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Solution

The fourth proportional to 211,567.76, 317,196.12 and 100,837.52 is: 151,182.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,567.76 : 317,196.12 = 100,837.52 : x
  2. Step 2: Convert to fraction form
    211,567.76/317,196.12 = 100,837.52/x
  3. Step 3: Cross multiply
    211,567.76x = 317,196.12 × 100,837.52
  4. Step 4: Simplify right side
    211,567.76x = 31,985,270,094.42
  5. Step 5: Solve for x
    x = 31,985,270,094.42/211,567.76
  6. Step 6: Final answer
    x = 151,182.16

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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.