Home / 112,449.42-168,701.81-79,234.34

Finding the Fourth Proportional to 112,449.42, 168,701.81 and 79,234.34

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Solution

The fourth proportional to 112,449.42, 168,701.81 and 79,234.34 is: 118,871.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,449.42 : 168,701.81 = 79,234.34 : x
  2. Step 2: Convert to fraction form
    112,449.42/168,701.81 = 79,234.34/x
  3. Step 3: Cross multiply
    112,449.42x = 168,701.81 × 79,234.34
  4. Step 4: Simplify right side
    112,449.42x = 13,366,975,332.47
  5. Step 5: Solve for x
    x = 13,366,975,332.47/112,449.42
  6. Step 6: Final answer
    x = 118,871.00

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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.