Home / 127,805.16-191,707.86-127,620.56

Finding the Fourth Proportional to 127,805.16, 191,707.86 and 127,620.56

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Solution

The fourth proportional to 127,805.16, 191,707.86 and 127,620.56 is: 191,430.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,805.16 : 191,707.86 = 127,620.56 : x
  2. Step 2: Convert to fraction form
    127,805.16/191,707.86 = 127,620.56/x
  3. Step 3: Cross multiply
    127,805.16x = 191,707.86 × 127,620.56
  4. Step 4: Simplify right side
    127,805.16x = 24,465,864,449.60
  5. Step 5: Solve for x
    x = 24,465,864,449.60/127,805.16
  6. Step 6: Final answer
    x = 191,430.96

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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.