Home / 127,200.08-175,544.28-73,487.36

Finding the Fourth Proportional to 127,200.08, 175,544.28 and 73,487.36

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Solution

The fourth proportional to 127,200.08, 175,544.28 and 73,487.36 is: 101,417.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,200.08 : 175,544.28 = 73,487.36 : x
  2. Step 2: Convert to fraction form
    127,200.08/175,544.28 = 73,487.36/x
  3. Step 3: Cross multiply
    127,200.08x = 175,544.28 × 73,487.36
  4. Step 4: Simplify right side
    127,200.08x = 12,900,285,700.30
  5. Step 5: Solve for x
    x = 12,900,285,700.30/127,200.08
  6. Step 6: Final answer
    x = 101,417.28

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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.