Home / 127,109.02-175,408.88-73,392.86

Finding the Fourth Proportional to 127,109.02, 175,408.88 and 73,392.86

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Solution

The fourth proportional to 127,109.02, 175,408.88 and 73,392.86 is: 101,281.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,109.02 : 175,408.88 = 73,392.86 : x
  2. Step 2: Convert to fraction form
    127,109.02/175,408.88 = 73,392.86/x
  3. Step 3: Cross multiply
    127,109.02x = 175,408.88 × 73,392.86
  4. Step 4: Simplify right side
    127,109.02x = 12,873,759,372.60
  5. Step 5: Solve for x
    x = 12,873,759,372.60/127,109.02
  6. Step 6: Final answer
    x = 101,281.24

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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.