Home / 147,823.64-221,634.28-53,051.72

Finding the Fourth Proportional to 147,823.64, 221,634.28 and 53,051.72

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Solution

The fourth proportional to 147,823.64, 221,634.28 and 53,051.72 is: 79,541.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,823.64 : 221,634.28 = 53,051.72 : x
  2. Step 2: Convert to fraction form
    147,823.64/221,634.28 = 53,051.72/x
  3. Step 3: Cross multiply
    147,823.64x = 221,634.28 × 53,051.72
  4. Step 4: Simplify right side
    147,823.64x = 11,758,079,764.96
  5. Step 5: Solve for x
    x = 11,758,079,764.96/147,823.64
  6. Step 6: Final answer
    x = 79,541.27

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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.