Home / 131,474.10-181,453.69-97,434.81

Finding the Fourth Proportional to 131,474.10, 181,453.69 and 97,434.81

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Solution

The fourth proportional to 131,474.10, 181,453.69 and 97,434.81 is: 134,474.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,474.10 : 181,453.69 = 97,434.81 : x
  2. Step 2: Convert to fraction form
    131,474.10/181,453.69 = 97,434.81/x
  3. Step 3: Cross multiply
    131,474.10x = 181,453.69 × 97,434.81
  4. Step 4: Simplify right side
    131,474.10x = 17,679,905,808.95
  5. Step 5: Solve for x
    x = 17,679,905,808.95/131,474.10
  6. Step 6: Final answer
    x = 134,474.44

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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.