Home / 210,084.75-289,920.90-114,594.86

Finding the Fourth Proportional to 210,084.75, 289,920.90 and 114,594.86

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Solution

The fourth proportional to 210,084.75, 289,920.90 and 114,594.86 is: 158,143.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,084.75 : 289,920.90 = 114,594.86 : x
  2. Step 2: Convert to fraction form
    210,084.75/289,920.90 = 114,594.86/x
  3. Step 3: Cross multiply
    210,084.75x = 289,920.90 × 114,594.86
  4. Step 4: Simplify right side
    210,084.75x = 33,223,443,496.97
  5. Step 5: Solve for x
    x = 33,223,443,496.97/210,084.75
  6. Step 6: Final answer
    x = 158,143.05

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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.