Home / 104,188.77-143,780.04-56,442.24

Finding the Fourth Proportional to 104,188.77, 143,780.04 and 56,442.24

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Solution

The fourth proportional to 104,188.77, 143,780.04 and 56,442.24 is: 77,890.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,188.77 : 143,780.04 = 56,442.24 : x
  2. Step 2: Convert to fraction form
    104,188.77/143,780.04 = 56,442.24/x
  3. Step 3: Cross multiply
    104,188.77x = 143,780.04 × 56,442.24
  4. Step 4: Simplify right side
    104,188.77x = 8,115,267,524.89
  5. Step 5: Solve for x
    x = 8,115,267,524.89/104,188.77
  6. Step 6: Final answer
    x = 77,890.04

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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.