Home / 146,109.66-201,330.18-112,116.66

Finding the Fourth Proportional to 146,109.66, 201,330.18 and 112,116.66

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Solution

The fourth proportional to 146,109.66, 201,330.18 and 112,116.66 is: 154,489.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,109.66 : 201,330.18 = 112,116.66 : x
  2. Step 2: Convert to fraction form
    146,109.66/201,330.18 = 112,116.66/x
  3. Step 3: Cross multiply
    146,109.66x = 201,330.18 × 112,116.66
  4. Step 4: Simplify right side
    146,109.66x = 22,572,467,338.80
  5. Step 5: Solve for x
    x = 22,572,467,338.80/146,109.66
  6. Step 6: Final answer
    x = 154,489.90

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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.