Home / 127,677.06-176,146.45-73,942.47

Finding the Fourth Proportional to 127,677.06, 176,146.45 and 73,942.47

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Solution

The fourth proportional to 127,677.06, 176,146.45 and 73,942.47 is: 102,012.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,677.06 : 176,146.45 = 73,942.47 : x
  2. Step 2: Convert to fraction form
    127,677.06/176,146.45 = 73,942.47/x
  3. Step 3: Cross multiply
    127,677.06x = 176,146.45 × 73,942.47
  4. Step 4: Simplify right side
    127,677.06x = 13,024,703,409.88
  5. Step 5: Solve for x
    x = 13,024,703,409.88/127,677.06
  6. Step 6: Final answer
    x = 102,012.87

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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.