Home / 127,669.40-176,214.82-73,945.76

Finding the Fourth Proportional to 127,669.40, 176,214.82 and 73,945.76

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Solution

The fourth proportional to 127,669.40, 176,214.82 and 73,945.76 is: 102,063.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,669.40 : 176,214.82 = 73,945.76 : x
  2. Step 2: Convert to fraction form
    127,669.40/176,214.82 = 73,945.76/x
  3. Step 3: Cross multiply
    127,669.40x = 176,214.82 × 73,945.76
  4. Step 4: Simplify right side
    127,669.40x = 13,030,338,788.16
  5. Step 5: Solve for x
    x = 13,030,338,788.16/127,669.40
  6. Step 6: Final answer
    x = 102,063.13

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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.