Home / 112,449.04-168,701.21-79,233.98

Finding the Fourth Proportional to 112,449.04, 168,701.21 and 79,233.98

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Solution

The fourth proportional to 112,449.04, 168,701.21 and 79,233.98 is: 118,870.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,449.04 : 168,701.21 = 79,233.98 : x
  2. Step 2: Convert to fraction form
    112,449.04/168,701.21 = 79,233.98/x
  3. Step 3: Cross multiply
    112,449.04x = 168,701.21 × 79,233.98
  4. Step 4: Simplify right side
    112,449.04x = 13,366,867,653.69
  5. Step 5: Solve for x
    x = 13,366,867,653.69/112,449.04
  6. Step 6: Final answer
    x = 118,870.45

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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.