Home / 169,898.28-234,465.64-93,423.20

Finding the Fourth Proportional to 169,898.28, 234,465.64 and 93,423.20

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Solution

The fourth proportional to 169,898.28, 234,465.64 and 93,423.20 is: 128,927.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,898.28 : 234,465.64 = 93,423.20 : x
  2. Step 2: Convert to fraction form
    169,898.28/234,465.64 = 93,423.20/x
  3. Step 3: Cross multiply
    169,898.28x = 234,465.64 × 93,423.20
  4. Step 4: Simplify right side
    169,898.28x = 21,904,530,378.85
  5. Step 5: Solve for x
    x = 21,904,530,378.85/169,898.28
  6. Step 6: Final answer
    x = 128,927.32

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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.