Home / 127,656.96-191,485.17-34,160.28

Finding the Fourth Proportional to 127,656.96, 191,485.17 and 34,160.28

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Solution

The fourth proportional to 127,656.96, 191,485.17 and 34,160.28 is: 51,240.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,656.96 : 191,485.17 = 34,160.28 : x
  2. Step 2: Convert to fraction form
    127,656.96/191,485.17 = 34,160.28/x
  3. Step 3: Cross multiply
    127,656.96x = 191,485.17 × 34,160.28
  4. Step 4: Simplify right side
    127,656.96x = 6,541,187,023.05
  5. Step 5: Solve for x
    x = 6,541,187,023.05/127,656.96
  6. Step 6: Final answer
    x = 51,240.35

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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.