Home / 210,877.38-317,074.77-194,438.52

Finding the Fourth Proportional to 210,877.38, 317,074.77 and 194,438.52

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Solution

The fourth proportional to 210,877.38, 317,074.77 and 194,438.52 is: 292,357.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,877.38 : 317,074.77 = 194,438.52 : x
  2. Step 2: Convert to fraction form
    210,877.38/317,074.77 = 194,438.52/x
  3. Step 3: Cross multiply
    210,877.38x = 317,074.77 × 194,438.52
  4. Step 4: Simplify right side
    210,877.38x = 61,651,549,008.14
  5. Step 5: Solve for x
    x = 61,651,549,008.14/210,877.38
  6. Step 6: Final answer
    x = 292,357.34

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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.