Home / 118,017.97-177,181.28-70,074.07

Finding the Fourth Proportional to 118,017.97, 177,181.28 and 70,074.07

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Solution

The fourth proportional to 118,017.97, 177,181.28 and 70,074.07 is: 105,202.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,017.97 : 177,181.28 = 70,074.07 : x
  2. Step 2: Convert to fraction form
    118,017.97/177,181.28 = 70,074.07/x
  3. Step 3: Cross multiply
    118,017.97x = 177,181.28 × 70,074.07
  4. Step 4: Simplify right side
    118,017.97x = 12,415,813,417.41
  5. Step 5: Solve for x
    x = 12,415,813,417.41/118,017.97
  6. Step 6: Final answer
    x = 105,202.74

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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.