Home / 163,974.17-245,989.35-75,235.29

Finding the Fourth Proportional to 163,974.17, 245,989.35 and 75,235.29

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Solution

The fourth proportional to 163,974.17, 245,989.35 and 75,235.29 is: 112,865.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,974.17 : 245,989.35 = 75,235.29 : x
  2. Step 2: Convert to fraction form
    163,974.17/245,989.35 = 75,235.29/x
  3. Step 3: Cross multiply
    163,974.17x = 245,989.35 × 75,235.29
  4. Step 4: Simplify right side
    163,974.17x = 18,507,080,084.16
  5. Step 5: Solve for x
    x = 18,507,080,084.16/163,974.17
  6. Step 6: Final answer
    x = 112,865.83

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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.