Home / 127,983.24-176,534.64-77,682.24

Finding the Fourth Proportional to 127,983.24, 176,534.64 and 77,682.24

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Solution

The fourth proportional to 127,983.24, 176,534.64 and 77,682.24 is: 107,151.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,983.24 : 176,534.64 = 77,682.24 : x
  2. Step 2: Convert to fraction form
    127,983.24/176,534.64 = 77,682.24/x
  3. Step 3: Cross multiply
    127,983.24x = 176,534.64 × 77,682.24
  4. Step 4: Simplify right side
    127,983.24x = 13,713,606,272.79
  5. Step 5: Solve for x
    x = 13,713,606,272.79/127,983.24
  6. Step 6: Final answer
    x = 107,151.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.