Home / 126,214.64-174,170.34-72,461.82

Finding the Fourth Proportional to 126,214.64, 174,170.34 and 72,461.82

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Solution

The fourth proportional to 126,214.64, 174,170.34 and 72,461.82 is: 99,993.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,214.64 : 174,170.34 = 72,461.82 : x
  2. Step 2: Convert to fraction form
    126,214.64/174,170.34 = 72,461.82/x
  3. Step 3: Cross multiply
    126,214.64x = 174,170.34 × 72,461.82
  4. Step 4: Simplify right side
    126,214.64x = 12,620,699,826.42
  5. Step 5: Solve for x
    x = 12,620,699,826.42/126,214.64
  6. Step 6: Final answer
    x = 99,993.95

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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.