Home / 129,593.25-178,898.63-91,383.93

Finding the Fourth Proportional to 129,593.25, 178,898.63 and 91,383.93

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Solution

The fourth proportional to 129,593.25, 178,898.63 and 91,383.93 is: 126,152.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,593.25 : 178,898.63 = 91,383.93 : x
  2. Step 2: Convert to fraction form
    129,593.25/178,898.63 = 91,383.93/x
  3. Step 3: Cross multiply
    129,593.25x = 178,898.63 × 91,383.93
  4. Step 4: Simplify right side
    129,593.25x = 16,348,459,424.10
  5. Step 5: Solve for x
    x = 16,348,459,424.10/129,593.25
  6. Step 6: Final answer
    x = 126,152.09

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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.