Home / 127,455.25-175,816.50-76,454.41

Finding the Fourth Proportional to 127,455.25, 175,816.50 and 76,454.41

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Solution

The fourth proportional to 127,455.25, 175,816.50 and 76,454.41 is: 105,464.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,455.25 : 175,816.50 = 76,454.41 : x
  2. Step 2: Convert to fraction form
    127,455.25/175,816.50 = 76,454.41/x
  3. Step 3: Cross multiply
    127,455.25x = 175,816.50 × 76,454.41
  4. Step 4: Simplify right side
    127,455.25x = 13,441,946,775.77
  5. Step 5: Solve for x
    x = 13,441,946,775.77/127,455.25
  6. Step 6: Final answer
    x = 105,464.05

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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.