Home / 134,772.60-201,867.30-87,533.40

Finding the Fourth Proportional to 134,772.60, 201,867.30 and 87,533.40

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Solution

The fourth proportional to 134,772.60, 201,867.30 and 87,533.40 is: 131,110.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,772.60 : 201,867.30 = 87,533.40 : x
  2. Step 2: Convert to fraction form
    134,772.60/201,867.30 = 87,533.40/x
  3. Step 3: Cross multiply
    134,772.60x = 201,867.30 × 87,533.40
  4. Step 4: Simplify right side
    134,772.60x = 17,670,131,117.82
  5. Step 5: Solve for x
    x = 17,670,131,117.82/134,772.60
  6. Step 6: Final answer
    x = 131,110.71

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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.