Home / 112,192.43-154,830.49-64,460.75

Finding the Fourth Proportional to 112,192.43, 154,830.49 and 64,460.75

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Solution

The fourth proportional to 112,192.43, 154,830.49 and 64,460.75 is: 88,958.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,192.43 : 154,830.49 = 64,460.75 : x
  2. Step 2: Convert to fraction form
    112,192.43/154,830.49 = 64,460.75/x
  3. Step 3: Cross multiply
    112,192.43x = 154,830.49 × 64,460.75
  4. Step 4: Simplify right side
    112,192.43x = 9,980,488,572.96
  5. Step 5: Solve for x
    x = 9,980,488,572.96/112,192.43
  6. Step 6: Final answer
    x = 88,958.67

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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.