Home / 118,150.81-162,955.96-75,713.29

Finding the Fourth Proportional to 118,150.81, 162,955.96 and 75,713.29

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Solution

The fourth proportional to 118,150.81, 162,955.96 and 75,713.29 is: 104,425.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,150.81 : 162,955.96 = 75,713.29 : x
  2. Step 2: Convert to fraction form
    118,150.81/162,955.96 = 75,713.29/x
  3. Step 3: Cross multiply
    118,150.81x = 162,955.96 × 75,713.29
  4. Step 4: Simplify right side
    118,150.81x = 12,337,931,260.04
  5. Step 5: Solve for x
    x = 12,337,931,260.04/118,150.81
  6. Step 6: Final answer
    x = 104,425.28

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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.