Home / 111,231.84-153,499.16-60,243.40

Finding the Fourth Proportional to 111,231.84, 153,499.16 and 60,243.40

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Solution

The fourth proportional to 111,231.84, 153,499.16 and 60,243.40 is: 83,135.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,231.84 : 153,499.16 = 60,243.40 : x
  2. Step 2: Convert to fraction form
    111,231.84/153,499.16 = 60,243.40/x
  3. Step 3: Cross multiply
    111,231.84x = 153,499.16 × 60,243.40
  4. Step 4: Simplify right side
    111,231.84x = 9,247,311,295.54
  5. Step 5: Solve for x
    x = 9,247,311,295.54/111,231.84
  6. Step 6: Final answer
    x = 83,135.47

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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.