Home / 126,495.72-174,645.54-81,193.32

Finding the Fourth Proportional to 126,495.72, 174,645.54 and 81,193.32

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Solution

The fourth proportional to 126,495.72, 174,645.54 and 81,193.32 is: 112,099.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,495.72 : 174,645.54 = 81,193.32 : x
  2. Step 2: Convert to fraction form
    126,495.72/174,645.54 = 81,193.32/x
  3. Step 3: Cross multiply
    126,495.72x = 174,645.54 × 81,193.32
  4. Step 4: Simplify right side
    126,495.72x = 14,180,051,215.79
  5. Step 5: Solve for x
    x = 14,180,051,215.79/126,495.72
  6. Step 6: Final answer
    x = 112,099.06

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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.