Home / 125,156.55-186,618.41-111,247.23

Finding the Fourth Proportional to 125,156.55, 186,618.41 and 111,247.23

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Solution

The fourth proportional to 125,156.55, 186,618.41 and 111,247.23 is: 165,878.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,156.55 : 186,618.41 = 111,247.23 : x
  2. Step 2: Convert to fraction form
    125,156.55/186,618.41 = 111,247.23/x
  3. Step 3: Cross multiply
    125,156.55x = 186,618.41 × 111,247.23
  4. Step 4: Simplify right side
    125,156.55x = 20,760,780,623.27
  5. Step 5: Solve for x
    x = 20,760,780,623.27/125,156.55
  6. Step 6: Final answer
    x = 165,878.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.