Home / 195,334.08-292,698-135,479.40

Finding the Fourth Proportional to 195,334.08, 292,698 and 135,479.40

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Solution

The fourth proportional to 195,334.08, 292,698 and 135,479.40 is: 203,008.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,334.08 : 292,698 = 135,479.40 : x
  2. Step 2: Convert to fraction form
    195,334.08/292,698 = 135,479.40/x
  3. Step 3: Cross multiply
    195,334.08x = 292,698 × 135,479.40
  4. Step 4: Simplify right side
    195,334.08x = 39,654,549,421.20
  5. Step 5: Solve for x
    x = 39,654,549,421.20/195,334.08
  6. Step 6: Final answer
    x = 203,008.86

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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.