Home / 112,220.80-167,985.60-92,176

Finding the Fourth Proportional to 112,220.80, 167,985.60 and 92,176

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Solution

The fourth proportional to 112,220.80, 167,985.60 and 92,176 is: 137,980.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,220.80 : 167,985.60 = 92,176 : x
  2. Step 2: Convert to fraction form
    112,220.80/167,985.60 = 92,176/x
  3. Step 3: Cross multiply
    112,220.80x = 167,985.60 × 92,176
  4. Step 4: Simplify right side
    112,220.80x = 15,484,240,665.60
  5. Step 5: Solve for x
    x = 15,484,240,665.60/112,220.80
  6. Step 6: Final answer
    x = 137,980.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.