Home / 125,778.85-173,577.51-69,190.22

Finding the Fourth Proportional to 125,778.85, 173,577.51 and 69,190.22

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Solution

The fourth proportional to 125,778.85, 173,577.51 and 69,190.22 is: 95,483.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,778.85 : 173,577.51 = 69,190.22 : x
  2. Step 2: Convert to fraction form
    125,778.85/173,577.51 = 69,190.22/x
  3. Step 3: Cross multiply
    125,778.85x = 173,577.51 × 69,190.22
  4. Step 4: Simplify right side
    125,778.85x = 12,009,866,537.90
  5. Step 5: Solve for x
    x = 12,009,866,537.90/125,778.85
  6. Step 6: Final answer
    x = 95,483.99

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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.