Home / 126,029.20-189,043.80-94,536.40

Finding the Fourth Proportional to 126,029.20, 189,043.80 and 94,536.40

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Solution

The fourth proportional to 126,029.20, 189,043.80 and 94,536.40 is: 141,804.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,029.20 : 189,043.80 = 94,536.40 : x
  2. Step 2: Convert to fraction form
    126,029.20/189,043.80 = 94,536.40/x
  3. Step 3: Cross multiply
    126,029.20x = 189,043.80 × 94,536.40
  4. Step 4: Simplify right side
    126,029.20x = 17,871,520,294.32
  5. Step 5: Solve for x
    x = 17,871,520,294.32/126,029.20
  6. Step 6: Final answer
    x = 141,804.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.