Home / 125,164.04-186,629.60-111,254.72

Finding the Fourth Proportional to 125,164.04, 186,629.60 and 111,254.72

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Solution

The fourth proportional to 125,164.04, 186,629.60 and 111,254.72 is: 165,889.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,164.04 : 186,629.60 = 111,254.72 : x
  2. Step 2: Convert to fraction form
    125,164.04/186,629.60 = 111,254.72/x
  3. Step 3: Cross multiply
    125,164.04x = 186,629.60 × 111,254.72
  4. Step 4: Simplify right side
    125,164.04x = 20,763,423,236.70
  5. Step 5: Solve for x
    x = 20,763,423,236.70/125,164.04
  6. Step 6: Final answer
    x = 165,889.69

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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.