Home / 125,261.33-187,889.84-42,155.33

Finding the Fourth Proportional to 125,261.33, 187,889.84 and 42,155.33

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Solution

The fourth proportional to 125,261.33, 187,889.84 and 42,155.33 is: 63,232.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,261.33 : 187,889.84 = 42,155.33 : x
  2. Step 2: Convert to fraction form
    125,261.33/187,889.84 = 42,155.33/x
  3. Step 3: Cross multiply
    125,261.33x = 187,889.84 × 42,155.33
  4. Step 4: Simplify right side
    125,261.33x = 7,920,557,998.07
  5. Step 5: Solve for x
    x = 7,920,557,998.07/125,261.33
  6. Step 6: Final answer
    x = 63,232.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.