Home / 127,511.57-175,955.08-73,799.90

Finding the Fourth Proportional to 127,511.57, 175,955.08 and 73,799.90

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Solution

The fourth proportional to 127,511.57, 175,955.08 and 73,799.90 is: 101,837.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,511.57 : 175,955.08 = 73,799.90 : x
  2. Step 2: Convert to fraction form
    127,511.57/175,955.08 = 73,799.90/x
  3. Step 3: Cross multiply
    127,511.57x = 175,955.08 × 73,799.90
  4. Step 4: Simplify right side
    127,511.57x = 12,985,467,308.49
  5. Step 5: Solve for x
    x = 12,985,467,308.49/127,511.57
  6. Step 6: Final answer
    x = 101,837.56

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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.