Home / 125,635.18-188,427.69-61,565.80

Finding the Fourth Proportional to 125,635.18, 188,427.69 and 61,565.80

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Solution

The fourth proportional to 125,635.18, 188,427.69 and 61,565.80 is: 92,336.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,635.18 : 188,427.69 = 61,565.80 : x
  2. Step 2: Convert to fraction form
    125,635.18/188,427.69 = 61,565.80/x
  3. Step 3: Cross multiply
    125,635.18x = 188,427.69 × 61,565.80
  4. Step 4: Simplify right side
    125,635.18x = 11,600,701,477.00
  5. Step 5: Solve for x
    x = 11,600,701,477.00/125,635.18
  6. Step 6: Final answer
    x = 92,336.41

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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.