Home / 117,171.27-175,701.69-42,281.64

Finding the Fourth Proportional to 117,171.27, 175,701.69 and 42,281.64

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Solution

The fourth proportional to 117,171.27, 175,701.69 and 42,281.64 is: 63,402.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,171.27 : 175,701.69 = 42,281.64 : x
  2. Step 2: Convert to fraction form
    117,171.27/175,701.69 = 42,281.64/x
  3. Step 3: Cross multiply
    117,171.27x = 175,701.69 × 42,281.64
  4. Step 4: Simplify right side
    117,171.27x = 7,428,955,603.97
  5. Step 5: Solve for x
    x = 7,428,955,603.97/117,171.27
  6. Step 6: Final answer
    x = 63,402.54

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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.