Home / 209,512.05-289,133.15-118,871.84

Finding the Fourth Proportional to 209,512.05, 289,133.15 and 118,871.84

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Solution

The fourth proportional to 209,512.05, 289,133.15 and 118,871.84 is: 164,046.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,512.05 : 289,133.15 = 118,871.84 : x
  2. Step 2: Convert to fraction form
    209,512.05/289,133.15 = 118,871.84/x
  3. Step 3: Cross multiply
    209,512.05x = 289,133.15 × 118,871.84
  4. Step 4: Simplify right side
    209,512.05x = 34,369,789,545.50
  5. Step 5: Solve for x
    x = 34,369,789,545.50/209,512.05
  6. Step 6: Final answer
    x = 164,046.84

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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.