Home / 102,811.20-153,790.29-96,512.64

Finding the Fourth Proportional to 102,811.20, 153,790.29 and 96,512.64

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Solution

The fourth proportional to 102,811.20, 153,790.29 and 96,512.64 is: 144,368.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,811.20 : 153,790.29 = 96,512.64 : x
  2. Step 2: Convert to fraction form
    102,811.20/153,790.29 = 96,512.64/x
  3. Step 3: Cross multiply
    102,811.20x = 153,790.29 × 96,512.64
  4. Step 4: Simplify right side
    102,811.20x = 14,842,706,894.27
  5. Step 5: Solve for x
    x = 14,842,706,894.27/102,811.20
  6. Step 6: Final answer
    x = 144,368.58

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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.