Home / 126,858.83-174,985.52-81,595.62

Finding the Fourth Proportional to 126,858.83, 174,985.52 and 81,595.62

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Solution

The fourth proportional to 126,858.83, 174,985.52 and 81,595.62 is: 112,550.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,858.83 : 174,985.52 = 81,595.62 : x
  2. Step 2: Convert to fraction form
    126,858.83/174,985.52 = 81,595.62/x
  3. Step 3: Cross multiply
    126,858.83x = 174,985.52 × 81,595.62
  4. Step 4: Simplify right side
    126,858.83x = 14,278,051,587.44
  5. Step 5: Solve for x
    x = 14,278,051,587.44/126,858.83
  6. Step 6: Final answer
    x = 112,550.72

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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.