Home / 113,752.38-170,776.08-87,475.44

Finding the Fourth Proportional to 113,752.38, 170,776.08 and 87,475.44

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Solution

The fourth proportional to 113,752.38, 170,776.08 and 87,475.44 is: 131,326.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,752.38 : 170,776.08 = 87,475.44 : x
  2. Step 2: Convert to fraction form
    113,752.38/170,776.08 = 87,475.44/x
  3. Step 3: Cross multiply
    113,752.38x = 170,776.08 × 87,475.44
  4. Step 4: Simplify right side
    113,752.38x = 14,938,712,739.48
  5. Step 5: Solve for x
    x = 14,938,712,739.48/113,752.38
  6. Step 6: Final answer
    x = 131,326.60

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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.