Home / 119,375.24-164,738.16-65,665.76

Finding the Fourth Proportional to 119,375.24, 164,738.16 and 65,665.76

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Solution

The fourth proportional to 119,375.24, 164,738.16 and 65,665.76 is: 90,618.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,375.24 : 164,738.16 = 65,665.76 : x
  2. Step 2: Convert to fraction form
    119,375.24/164,738.16 = 65,665.76/x
  3. Step 3: Cross multiply
    119,375.24x = 164,738.16 × 65,665.76
  4. Step 4: Simplify right side
    119,375.24x = 10,817,656,477.40
  5. Step 5: Solve for x
    x = 10,817,656,477.40/119,375.24
  6. Step 6: Final answer
    x = 90,618.93

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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.