Home / 133,649.25-184,435.90-79,934.27

Finding the Fourth Proportional to 133,649.25, 184,435.90 and 79,934.27

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Solution

The fourth proportional to 133,649.25, 184,435.90 and 79,934.27 is: 110,309.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,649.25 : 184,435.90 = 79,934.27 : x
  2. Step 2: Convert to fraction form
    133,649.25/184,435.90 = 79,934.27/x
  3. Step 3: Cross multiply
    133,649.25x = 184,435.90 × 79,934.27
  4. Step 4: Simplify right side
    133,649.25x = 14,742,748,106.11
  5. Step 5: Solve for x
    x = 14,742,748,106.11/133,649.25
  6. Step 6: Final answer
    x = 110,309.25

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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.