Home / 113,901.02-170,754.32-80,516.06

Finding the Fourth Proportional to 113,901.02, 170,754.32 and 80,516.06

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Solution

The fourth proportional to 113,901.02, 170,754.32 and 80,516.06 is: 120,705.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,901.02 : 170,754.32 = 80,516.06 : x
  2. Step 2: Convert to fraction form
    113,901.02/170,754.32 = 80,516.06/x
  3. Step 3: Cross multiply
    113,901.02x = 170,754.32 × 80,516.06
  4. Step 4: Simplify right side
    113,901.02x = 13,748,465,074.38
  5. Step 5: Solve for x
    x = 13,748,465,074.38/113,901.02
  6. Step 6: Final answer
    x = 120,705.37

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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.