Home / 156,021.12-234,041.40-62,514.72

Finding the Fourth Proportional to 156,021.12, 234,041.40 and 62,514.72

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Solution

The fourth proportional to 156,021.12, 234,041.40 and 62,514.72 is: 93,775.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,021.12 : 234,041.40 = 62,514.72 : x
  2. Step 2: Convert to fraction form
    156,021.12/234,041.40 = 62,514.72/x
  3. Step 3: Cross multiply
    156,021.12x = 234,041.40 × 62,514.72
  4. Step 4: Simplify right side
    156,021.12x = 14,631,032,589.41
  5. Step 5: Solve for x
    x = 14,631,032,589.41/156,021.12
  6. Step 6: Final answer
    x = 93,775.97

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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.