Home / 118,451.03-163,446.68-76,066.97

Finding the Fourth Proportional to 118,451.03, 163,446.68 and 76,066.97

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Solution

The fourth proportional to 118,451.03, 163,446.68 and 76,066.97 is: 104,962.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,451.03 : 163,446.68 = 76,066.97 : x
  2. Step 2: Convert to fraction form
    118,451.03/163,446.68 = 76,066.97/x
  3. Step 3: Cross multiply
    118,451.03x = 163,446.68 × 76,066.97
  4. Step 4: Simplify right side
    118,451.03x = 12,432,893,323.82
  5. Step 5: Solve for x
    x = 12,432,893,323.82/118,451.03
  6. Step 6: Final answer
    x = 104,962.31

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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.