Home / 100,322.06-150,502.76-37,142.70

Finding the Fourth Proportional to 100,322.06, 150,502.76 and 37,142.70

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Solution

The fourth proportional to 100,322.06, 150,502.76 and 37,142.70 is: 55,721.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,322.06 : 150,502.76 = 37,142.70 : x
  2. Step 2: Convert to fraction form
    100,322.06/150,502.76 = 37,142.70/x
  3. Step 3: Cross multiply
    100,322.06x = 150,502.76 × 37,142.70
  4. Step 4: Simplify right side
    100,322.06x = 5,590,078,678.14
  5. Step 5: Solve for x
    x = 5,590,078,678.14/100,322.06
  6. Step 6: Final answer
    x = 55,721.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.