Home / 134,141.12-201,086.64-45,332.52

Finding the Fourth Proportional to 134,141.12, 201,086.64 and 45,332.52

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Solution

The fourth proportional to 134,141.12, 201,086.64 and 45,332.52 is: 67,956.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,141.12 : 201,086.64 = 45,332.52 : x
  2. Step 2: Convert to fraction form
    134,141.12/201,086.64 = 45,332.52/x
  3. Step 3: Cross multiply
    134,141.12x = 201,086.64 × 45,332.52
  4. Step 4: Simplify right side
    134,141.12x = 9,115,764,129.53
  5. Step 5: Solve for x
    x = 9,115,764,129.53/134,141.12
  6. Step 6: Final answer
    x = 67,956.52

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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.