Home / 153,236.90-211,466.27-85,260.38

Finding the Fourth Proportional to 153,236.90, 211,466.27 and 85,260.38

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Solution

The fourth proportional to 153,236.90, 211,466.27 and 85,260.38 is: 117,658.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,236.90 : 211,466.27 = 85,260.38 : x
  2. Step 2: Convert to fraction form
    153,236.90/211,466.27 = 85,260.38/x
  3. Step 3: Cross multiply
    153,236.90x = 211,466.27 × 85,260.38
  4. Step 4: Simplify right side
    153,236.90x = 18,029,693,053.75
  5. Step 5: Solve for x
    x = 18,029,693,053.75/153,236.90
  6. Step 6: Final answer
    x = 117,658.96

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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.