Home / 145,584.48-200,873.34-81,899.04

Finding the Fourth Proportional to 145,584.48, 200,873.34 and 81,899.04

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Solution

The fourth proportional to 145,584.48, 200,873.34 and 81,899.04 is: 113,001.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,584.48 : 200,873.34 = 81,899.04 : x
  2. Step 2: Convert to fraction form
    145,584.48/200,873.34 = 81,899.04/x
  3. Step 3: Cross multiply
    145,584.48x = 200,873.34 × 81,899.04
  4. Step 4: Simplify right side
    145,584.48x = 16,451,333,707.59
  5. Step 5: Solve for x
    x = 16,451,333,707.59/145,584.48
  6. Step 6: Final answer
    x = 113,001.97

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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.