Home / 134,836.91-186,240.51-100,996.62

Finding the Fourth Proportional to 134,836.91, 186,240.51 and 100,996.62

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Solution

The fourth proportional to 134,836.91, 186,240.51 and 100,996.62 is: 139,499.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,836.91 : 186,240.51 = 100,996.62 : x
  2. Step 2: Convert to fraction form
    134,836.91/186,240.51 = 100,996.62/x
  3. Step 3: Cross multiply
    134,836.91x = 186,240.51 × 100,996.62
  4. Step 4: Simplify right side
    134,836.91x = 18,809,662,017.08
  5. Step 5: Solve for x
    x = 18,809,662,017.08/134,836.91
  6. Step 6: Final answer
    x = 139,499.36

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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.