Home / 106,376.94-146,598.09-76,109.76

Finding the Fourth Proportional to 106,376.94, 146,598.09 and 76,109.76

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Solution

The fourth proportional to 106,376.94, 146,598.09 and 76,109.76 is: 104,886.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,376.94 : 146,598.09 = 76,109.76 : x
  2. Step 2: Convert to fraction form
    106,376.94/146,598.09 = 76,109.76/x
  3. Step 3: Cross multiply
    106,376.94x = 146,598.09 × 76,109.76
  4. Step 4: Simplify right side
    106,376.94x = 11,157,545,446.36
  5. Step 5: Solve for x
    x = 11,157,545,446.36/106,376.94
  6. Step 6: Final answer
    x = 104,886.88

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1.5x scale

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.