Home / 134,903.30-186,166.83-74,474.02

Finding the Fourth Proportional to 134,903.30, 186,166.83 and 74,474.02

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Solution

The fourth proportional to 134,903.30, 186,166.83 and 74,474.02 is: 102,774.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,903.30 : 186,166.83 = 74,474.02 : x
  2. Step 2: Convert to fraction form
    134,903.30/186,166.83 = 74,474.02/x
  3. Step 3: Cross multiply
    134,903.30x = 186,166.83 × 74,474.02
  4. Step 4: Simplify right side
    134,903.30x = 13,864,592,220.76
  5. Step 5: Solve for x
    x = 13,864,592,220.76/134,903.30
  6. Step 6: Final answer
    x = 102,774.30

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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.