Home / 127,151.28-175,453.56-70,554.96

Finding the Fourth Proportional to 127,151.28, 175,453.56 and 70,554.96

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Solution

The fourth proportional to 127,151.28, 175,453.56 and 70,554.96 is: 97,357.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,151.28 : 175,453.56 = 70,554.96 : x
  2. Step 2: Convert to fraction form
    127,151.28/175,453.56 = 70,554.96/x
  3. Step 3: Cross multiply
    127,151.28x = 175,453.56 × 70,554.96
  4. Step 4: Simplify right side
    127,151.28x = 12,379,118,907.66
  5. Step 5: Solve for x
    x = 12,379,118,907.66/127,151.28
  6. Step 6: Final answer
    x = 97,357.41

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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.