Home / 165,643.21-228,639.23-94,070.89

Finding the Fourth Proportional to 165,643.21, 228,639.23 and 94,070.89

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Solution

The fourth proportional to 165,643.21, 228,639.23 and 94,070.89 is: 129,847.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,643.21 : 228,639.23 = 94,070.89 : x
  2. Step 2: Convert to fraction form
    165,643.21/228,639.23 = 94,070.89/x
  3. Step 3: Cross multiply
    165,643.21x = 228,639.23 × 94,070.89
  4. Step 4: Simplify right side
    165,643.21x = 21,508,295,384.66
  5. Step 5: Solve for x
    x = 21,508,295,384.66/165,643.21
  6. Step 6: Final answer
    x = 129,847.13

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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.