Home / 127,655.73-176,105.80-82,348.33

Finding the Fourth Proportional to 127,655.73, 176,105.80 and 82,348.33

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Solution

The fourth proportional to 127,655.73, 176,105.80 and 82,348.33 is: 113,602.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,655.73 : 176,105.80 = 82,348.33 : x
  2. Step 2: Convert to fraction form
    127,655.73/176,105.80 = 82,348.33/x
  3. Step 3: Cross multiply
    127,655.73x = 176,105.80 × 82,348.33
  4. Step 4: Simplify right side
    127,655.73x = 14,502,018,533.31
  5. Step 5: Solve for x
    x = 14,502,018,533.31/127,655.73
  6. Step 6: Final answer
    x = 113,602.57

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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.