Home / 169,581.63-234,025.40-93,107.78

Finding the Fourth Proportional to 169,581.63, 234,025.40 and 93,107.78

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Solution

The fourth proportional to 169,581.63, 234,025.40 and 93,107.78 is: 128,490.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,581.63 : 234,025.40 = 93,107.78 : x
  2. Step 2: Convert to fraction form
    169,581.63/234,025.40 = 93,107.78/x
  3. Step 3: Cross multiply
    169,581.63x = 234,025.40 × 93,107.78
  4. Step 4: Simplify right side
    169,581.63x = 21,789,585,457.61
  5. Step 5: Solve for x
    x = 21,789,585,457.61/169,581.63
  6. Step 6: Final answer
    x = 128,490.25

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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.