Home / 119,279.26-164,558.16-76,862.50

Finding the Fourth Proportional to 119,279.26, 164,558.16 and 76,862.50

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Solution

The fourth proportional to 119,279.26, 164,558.16 and 76,862.50 is: 106,039.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,279.26 : 164,558.16 = 76,862.50 : x
  2. Step 2: Convert to fraction form
    119,279.26/164,558.16 = 76,862.50/x
  3. Step 3: Cross multiply
    119,279.26x = 164,558.16 × 76,862.50
  4. Step 4: Simplify right side
    119,279.26x = 12,648,351,573
  5. Step 5: Solve for x
    x = 12,648,351,573/119,279.26
  6. Step 6: Final answer
    x = 106,039.82

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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.