Home / 110,154.63-151,976.45-76,150.88

Finding the Fourth Proportional to 110,154.63, 151,976.45 and 76,150.88

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Solution

The fourth proportional to 110,154.63, 151,976.45 and 76,150.88 is: 105,062.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,154.63 : 151,976.45 = 76,150.88 : x
  2. Step 2: Convert to fraction form
    110,154.63/151,976.45 = 76,150.88/x
  3. Step 3: Cross multiply
    110,154.63x = 151,976.45 × 76,150.88
  4. Step 4: Simplify right side
    110,154.63x = 11,573,141,262.05
  5. Step 5: Solve for x
    x = 11,573,141,262.05/110,154.63
  6. Step 6: Final answer
    x = 105,062.68

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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.