Home / 227,613.20-341,387.40-77,860.40

Finding the Fourth Proportional to 227,613.20, 341,387.40 and 77,860.40

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Solution

The fourth proportional to 227,613.20, 341,387.40 and 77,860.40 is: 116,779.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,613.20 : 341,387.40 = 77,860.40 : x
  2. Step 2: Convert to fraction form
    227,613.20/341,387.40 = 77,860.40/x
  3. Step 3: Cross multiply
    227,613.20x = 341,387.40 × 77,860.40
  4. Step 4: Simplify right side
    227,613.20x = 26,580,559,518.96
  5. Step 5: Solve for x
    x = 26,580,559,518.96/227,613.20
  6. Step 6: Final answer
    x = 116,779.52

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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.