Home / 112,681.40-169,027.56-92,923.88

Finding the Fourth Proportional to 112,681.40, 169,027.56 and 92,923.88

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Solution

The fourth proportional to 112,681.40, 169,027.56 and 92,923.88 is: 139,390.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,681.40 : 169,027.56 = 92,923.88 : x
  2. Step 2: Convert to fraction form
    112,681.40/169,027.56 = 92,923.88/x
  3. Step 3: Cross multiply
    112,681.40x = 169,027.56 × 92,923.88
  4. Step 4: Simplify right side
    112,681.40x = 15,706,695,857.00
  5. Step 5: Solve for x
    x = 15,706,695,857.00/112,681.40
  6. Step 6: Final answer
    x = 139,390.32

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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.