Home / 153,040.56-211,138.44-112,850.22

Finding the Fourth Proportional to 153,040.56, 211,138.44 and 112,850.22

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Solution

The fourth proportional to 153,040.56, 211,138.44 and 112,850.22 is: 155,690.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,040.56 : 211,138.44 = 112,850.22 : x
  2. Step 2: Convert to fraction form
    153,040.56/211,138.44 = 112,850.22/x
  3. Step 3: Cross multiply
    153,040.56x = 211,138.44 × 112,850.22
  4. Step 4: Simplify right side
    153,040.56x = 23,827,019,404.46
  5. Step 5: Solve for x
    x = 23,827,019,404.46/153,040.56
  6. Step 6: Final answer
    x = 155,690.88

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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.