Home / 111,212.07-153,471.90-60,223.64

Finding the Fourth Proportional to 111,212.07, 153,471.90 and 60,223.64

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Solution

The fourth proportional to 111,212.07, 153,471.90 and 60,223.64 is: 83,108.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,212.07 : 153,471.90 = 60,223.64 : x
  2. Step 2: Convert to fraction form
    111,212.07/153,471.90 = 60,223.64/x
  3. Step 3: Cross multiply
    111,212.07x = 153,471.90 × 60,223.64
  4. Step 4: Simplify right side
    111,212.07x = 9,242,635,815.03
  5. Step 5: Solve for x
    x = 9,242,635,815.03/111,212.07
  6. Step 6: Final answer
    x = 83,108.21

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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.