Home / 127,688.32-191,555.34-43,444.24

Finding the Fourth Proportional to 127,688.32, 191,555.34 and 43,444.24

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Solution

The fourth proportional to 127,688.32, 191,555.34 and 43,444.24 is: 65,174.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,688.32 : 191,555.34 = 43,444.24 : x
  2. Step 2: Convert to fraction form
    127,688.32/191,555.34 = 43,444.24/x
  3. Step 3: Cross multiply
    127,688.32x = 191,555.34 × 43,444.24
  4. Step 4: Simplify right side
    127,688.32x = 8,321,976,164.24
  5. Step 5: Solve for x
    x = 8,321,976,164.24/127,688.32
  6. Step 6: Final answer
    x = 65,174.14

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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.