Home / 127,425.72-191,031.66-56,336.88

Finding the Fourth Proportional to 127,425.72, 191,031.66 and 56,336.88

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Solution

The fourth proportional to 127,425.72, 191,031.66 and 56,336.88 is: 84,458.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,425.72 : 191,031.66 = 56,336.88 : x
  2. Step 2: Convert to fraction form
    127,425.72/191,031.66 = 56,336.88/x
  3. Step 3: Cross multiply
    127,425.72x = 191,031.66 × 56,336.88
  4. Step 4: Simplify right side
    127,425.72x = 10,762,127,705.62
  5. Step 5: Solve for x
    x = 10,762,127,705.62/127,425.72
  6. Step 6: Final answer
    x = 84,458.05

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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.