Home / 147,974.64-221,823.42-72,056.58

Finding the Fourth Proportional to 147,974.64, 221,823.42 and 72,056.58

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Solution

The fourth proportional to 147,974.64, 221,823.42 and 72,056.58 is: 108,017.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,974.64 : 221,823.42 = 72,056.58 : x
  2. Step 2: Convert to fraction form
    147,974.64/221,823.42 = 72,056.58/x
  3. Step 3: Cross multiply
    147,974.64x = 221,823.42 × 72,056.58
  4. Step 4: Simplify right side
    147,974.64x = 15,983,837,009.10
  5. Step 5: Solve for x
    x = 15,983,837,009.10/147,974.64
  6. Step 6: Final answer
    x = 108,017.41

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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.