Home / 127,352.49-191,017.73-43,110.86

Finding the Fourth Proportional to 127,352.49, 191,017.73 and 43,110.86

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Solution

The fourth proportional to 127,352.49, 191,017.73 and 43,110.86 is: 64,662.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,352.49 : 191,017.73 = 43,110.86 : x
  2. Step 2: Convert to fraction form
    127,352.49/191,017.73 = 43,110.86/x
  3. Step 3: Cross multiply
    127,352.49x = 191,017.73 × 43,110.86
  4. Step 4: Simplify right side
    127,352.49x = 8,234,937,444.90
  5. Step 5: Solve for x
    x = 8,234,937,444.90/127,352.49
  6. Step 6: Final answer
    x = 64,662.56

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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.