Home / 153,317.55-211,576.62-85,333.53

Finding the Fourth Proportional to 153,317.55, 211,576.62 and 85,333.53

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Solution

The fourth proportional to 153,317.55, 211,576.62 and 85,333.53 is: 117,759.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,317.55 : 211,576.62 = 85,333.53 : x
  2. Step 2: Convert to fraction form
    153,317.55/211,576.62 = 85,333.53/x
  3. Step 3: Cross multiply
    153,317.55x = 211,576.62 × 85,333.53
  4. Step 4: Simplify right side
    153,317.55x = 18,054,579,850.07
  5. Step 5: Solve for x
    x = 18,054,579,850.07/153,317.55
  6. Step 6: Final answer
    x = 117,759.38

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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.