Home / 112,274.54-168,312.72-45,770.30

Finding the Fourth Proportional to 112,274.54, 168,312.72 and 45,770.30

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Solution

The fourth proportional to 112,274.54, 168,312.72 and 45,770.30 is: 68,615.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,274.54 : 168,312.72 = 45,770.30 : x
  2. Step 2: Convert to fraction form
    112,274.54/168,312.72 = 45,770.30/x
  3. Step 3: Cross multiply
    112,274.54x = 168,312.72 × 45,770.30
  4. Step 4: Simplify right side
    112,274.54x = 7,703,723,688.22
  5. Step 5: Solve for x
    x = 7,703,723,688.22/112,274.54
  6. Step 6: Final answer
    x = 68,615.05

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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.