Home / 113,817.26-157,083.64-63,519.50

Finding the Fourth Proportional to 113,817.26, 157,083.64 and 63,519.50

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Solution

The fourth proportional to 113,817.26, 157,083.64 and 63,519.50 is: 87,665.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,817.26 : 157,083.64 = 63,519.50 : x
  2. Step 2: Convert to fraction form
    113,817.26/157,083.64 = 63,519.50/x
  3. Step 3: Cross multiply
    113,817.26x = 157,083.64 × 63,519.50
  4. Step 4: Simplify right side
    113,817.26x = 9,977,874,270.98
  5. Step 5: Solve for x
    x = 9,977,874,270.98/113,817.26
  6. Step 6: Final answer
    x = 87,665.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.