Home / 127,042.96-175,313.28-70,453.12

Finding the Fourth Proportional to 127,042.96, 175,313.28 and 70,453.12

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Solution

The fourth proportional to 127,042.96, 175,313.28 and 70,453.12 is: 97,221.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,042.96 : 175,313.28 = 70,453.12 : x
  2. Step 2: Convert to fraction form
    127,042.96/175,313.28 = 70,453.12/x
  3. Step 3: Cross multiply
    127,042.96x = 175,313.28 × 70,453.12
  4. Step 4: Simplify right side
    127,042.96x = 12,351,367,553.43
  5. Step 5: Solve for x
    x = 12,351,367,553.43/127,042.96
  6. Step 6: Final answer
    x = 97,221.98

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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.