Home / 112,351.16-154,996.44-64,594.38

Finding the Fourth Proportional to 112,351.16, 154,996.44 and 64,594.38

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Solution

The fourth proportional to 112,351.16, 154,996.44 and 64,594.38 is: 89,112.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,351.16 : 154,996.44 = 64,594.38 : x
  2. Step 2: Convert to fraction form
    112,351.16/154,996.44 = 64,594.38/x
  3. Step 3: Cross multiply
    112,351.16x = 154,996.44 × 64,594.38
  4. Step 4: Simplify right side
    112,351.16x = 10,011,898,944.01
  5. Step 5: Solve for x
    x = 10,011,898,944.01/112,351.16
  6. Step 6: Final answer
    x = 89,112.56

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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.