Home / 209,706.60-289,434.96-124,870.44

Finding the Fourth Proportional to 209,706.60, 289,434.96 and 124,870.44

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Solution

The fourth proportional to 209,706.60, 289,434.96 and 124,870.44 is: 172,344.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,706.60 : 289,434.96 = 124,870.44 : x
  2. Step 2: Convert to fraction form
    209,706.60/289,434.96 = 124,870.44/x
  3. Step 3: Cross multiply
    209,706.60x = 289,434.96 × 124,870.44
  4. Step 4: Simplify right side
    209,706.60x = 36,141,870,806.58
  5. Step 5: Solve for x
    x = 36,141,870,806.58/209,706.60
  6. Step 6: Final answer
    x = 172,344.94

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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.