Home / 134,896.19-186,158.25-74,466.88

Finding the Fourth Proportional to 134,896.19, 186,158.25 and 74,466.88

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Solution

The fourth proportional to 134,896.19, 186,158.25 and 74,466.88 is: 102,765.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,896.19 : 186,158.25 = 74,466.88 : x
  2. Step 2: Convert to fraction form
    134,896.19/186,158.25 = 74,466.88/x
  3. Step 3: Cross multiply
    134,896.19x = 186,158.25 × 74,466.88
  4. Step 4: Simplify right side
    134,896.19x = 13,862,623,598.36
  5. Step 5: Solve for x
    x = 13,862,623,598.36/134,896.19
  6. Step 6: Final answer
    x = 102,765.13

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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.