Home / 153,548.10-211,893.57-86,480.10

Finding the Fourth Proportional to 153,548.10, 211,893.57 and 86,480.10

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Solution

The fourth proportional to 153,548.10, 211,893.57 and 86,480.10 is: 119,340.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,548.10 : 211,893.57 = 86,480.10 : x
  2. Step 2: Convert to fraction form
    153,548.10/211,893.57 = 86,480.10/x
  3. Step 3: Cross multiply
    153,548.10x = 211,893.57 × 86,480.10
  4. Step 4: Simplify right side
    153,548.10x = 18,324,577,122.96
  5. Step 5: Solve for x
    x = 18,324,577,122.96/153,548.10
  6. Step 6: Final answer
    x = 119,340.96

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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.