Home / 104,567.20-144,302.88-56,821.12

Finding the Fourth Proportional to 104,567.20, 144,302.88 and 56,821.12

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Solution

The fourth proportional to 104,567.20, 144,302.88 and 56,821.12 is: 78,413.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,567.20 : 144,302.88 = 56,821.12 : x
  2. Step 2: Convert to fraction form
    104,567.20/144,302.88 = 56,821.12/x
  3. Step 3: Cross multiply
    104,567.20x = 144,302.88 × 56,821.12
  4. Step 4: Simplify right side
    104,567.20x = 8,199,451,260.83
  5. Step 5: Solve for x
    x = 8,199,451,260.83/104,567.20
  6. Step 6: Final answer
    x = 78,413.22

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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.