Home / 125,571.72-173,314.44-77,151.54

Finding the Fourth Proportional to 125,571.72, 173,314.44 and 77,151.54

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Solution

The fourth proportional to 125,571.72, 173,314.44 and 77,151.54 is: 106,484.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,571.72 : 173,314.44 = 77,151.54 : x
  2. Step 2: Convert to fraction form
    125,571.72/173,314.44 = 77,151.54/x
  3. Step 3: Cross multiply
    125,571.72x = 173,314.44 × 77,151.54
  4. Step 4: Simplify right side
    125,571.72x = 13,371,475,950.24
  5. Step 5: Solve for x
    x = 13,371,475,950.24/125,571.72
  6. Step 6: Final answer
    x = 106,484.77

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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.