Home / 151,593.66-209,200.86-83,613.60

Finding the Fourth Proportional to 151,593.66, 209,200.86 and 83,613.60

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Solution

The fourth proportional to 151,593.66, 209,200.86 and 83,613.60 is: 115,387.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,593.66 : 209,200.86 = 83,613.60 : x
  2. Step 2: Convert to fraction form
    151,593.66/209,200.86 = 83,613.60/x
  3. Step 3: Cross multiply
    151,593.66x = 209,200.86 × 83,613.60
  4. Step 4: Simplify right side
    151,593.66x = 17,492,037,027.70
  5. Step 5: Solve for x
    x = 17,492,037,027.70/151,593.66
  6. Step 6: Final answer
    x = 115,387.66

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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.