Home / 134,162.31-201,118.39-45,353.71

Finding the Fourth Proportional to 134,162.31, 201,118.39 and 45,353.71

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Solution

The fourth proportional to 134,162.31, 201,118.39 and 45,353.71 is: 67,988.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,162.31 : 201,118.39 = 45,353.71 : x
  2. Step 2: Convert to fraction form
    134,162.31/201,118.39 = 45,353.71/x
  3. Step 3: Cross multiply
    134,162.31x = 201,118.39 × 45,353.71
  4. Step 4: Simplify right side
    134,162.31x = 9,121,463,903.37
  5. Step 5: Solve for x
    x = 9,121,463,903.37/134,162.31
  6. Step 6: Final answer
    x = 67,988.28

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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.