Home / 141,398.48-195,109.58-83,220.62

Finding the Fourth Proportional to 141,398.48, 195,109.58 and 83,220.62

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Solution

The fourth proportional to 141,398.48, 195,109.58 and 83,220.62 is: 114,832.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,398.48 : 195,109.58 = 83,220.62 : x
  2. Step 2: Convert to fraction form
    141,398.48/195,109.58 = 83,220.62/x
  3. Step 3: Cross multiply
    141,398.48x = 195,109.58 × 83,220.62
  4. Step 4: Simplify right side
    141,398.48x = 16,237,140,215.54
  5. Step 5: Solve for x
    x = 16,237,140,215.54/141,398.48
  6. Step 6: Final answer
    x = 114,832.49

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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.