Home / 127,577.76-176,057.31-73,865.58

Finding the Fourth Proportional to 127,577.76, 176,057.31 and 73,865.58

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Solution

The fourth proportional to 127,577.76, 176,057.31 and 73,865.58 is: 101,934.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,577.76 : 176,057.31 = 73,865.58 : x
  2. Step 2: Convert to fraction form
    127,577.76/176,057.31 = 73,865.58/x
  3. Step 3: Cross multiply
    127,577.76x = 176,057.31 × 73,865.58
  4. Step 4: Simplify right side
    127,577.76x = 13,004,575,316.39
  5. Step 5: Solve for x
    x = 13,004,575,316.39/127,577.76
  6. Step 6: Final answer
    x = 101,934.50

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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.