Home / 112,178.26-168,299.18-45,666.10

Finding the Fourth Proportional to 112,178.26, 168,299.18 and 45,666.10

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Solution

The fourth proportional to 112,178.26, 168,299.18 and 45,666.10 is: 68,512.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,178.26 : 168,299.18 = 45,666.10 : x
  2. Step 2: Convert to fraction form
    112,178.26/168,299.18 = 45,666.10/x
  3. Step 3: Cross multiply
    112,178.26x = 168,299.18 × 45,666.10
  4. Step 4: Simplify right side
    112,178.26x = 7,685,566,113.97
  5. Step 5: Solve for x
    x = 7,685,566,113.97/112,178.26
  6. Step 6: Final answer
    x = 68,512.08

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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.