Home / 118,453.03-163,449.43-76,068.97

Finding the Fourth Proportional to 118,453.03, 163,449.43 and 76,068.97

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Solution

The fourth proportional to 118,453.03, 163,449.43 and 76,068.97 is: 104,965.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,453.03 : 163,449.43 = 76,068.97 : x
  2. Step 2: Convert to fraction form
    118,453.03/163,449.43 = 76,068.97/x
  3. Step 3: Cross multiply
    118,453.03x = 163,449.43 × 76,068.97
  4. Step 4: Simplify right side
    118,453.03x = 12,433,429,787.19
  5. Step 5: Solve for x
    x = 12,433,429,787.19/118,453.03
  6. Step 6: Final answer
    x = 104,965.06

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1.5x scale

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.