Home / 312,431.26-468,549.96-112,725.76

Finding the Fourth Proportional to 312,431.26, 468,549.96 and 112,725.76

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Solution

The fourth proportional to 312,431.26, 468,549.96 and 112,725.76 is: 169,053.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,431.26 : 468,549.96 = 112,725.76 : x
  2. Step 2: Convert to fraction form
    312,431.26/468,549.96 = 112,725.76/x
  3. Step 3: Cross multiply
    312,431.26x = 468,549.96 × 112,725.76
  4. Step 4: Simplify right side
    312,431.26x = 52,817,650,338.97
  5. Step 5: Solve for x
    x = 52,817,650,338.97/312,431.26
  6. Step 6: Final answer
    x = 169,053.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.