Home / 127,677.69-176,196.44-71,090.28

Finding the Fourth Proportional to 127,677.69, 176,196.44 and 71,090.28

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Solution

The fourth proportional to 127,677.69, 176,196.44 and 71,090.28 is: 98,105.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,677.69 : 176,196.44 = 71,090.28 : x
  2. Step 2: Convert to fraction form
    127,677.69/176,196.44 = 71,090.28/x
  3. Step 3: Cross multiply
    127,677.69x = 176,196.44 × 71,090.28
  4. Step 4: Simplify right side
    127,677.69x = 12,525,854,254.60
  5. Step 5: Solve for x
    x = 12,525,854,254.60/127,677.69
  6. Step 6: Final answer
    x = 98,105.27

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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.