Home / 179,152.22-247,238.20-111,191.09

Finding the Fourth Proportional to 179,152.22, 247,238.20 and 111,191.09

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Solution

The fourth proportional to 179,152.22, 247,238.20 and 111,191.09 is: 153,448.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,152.22 : 247,238.20 = 111,191.09 : x
  2. Step 2: Convert to fraction form
    179,152.22/247,238.20 = 111,191.09/x
  3. Step 3: Cross multiply
    179,152.22x = 247,238.20 × 111,191.09
  4. Step 4: Simplify right side
    179,152.22x = 27,490,683,224.99
  5. Step 5: Solve for x
    x = 27,490,683,224.99/179,152.22
  6. Step 6: Final answer
    x = 153,448.74

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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.