Home / 352,627.50-528,940.17-127,987.62

Finding the Fourth Proportional to 352,627.50, 528,940.17 and 127,987.62

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Solution

The fourth proportional to 352,627.50, 528,940.17 and 127,987.62 is: 191,981.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,627.50 : 528,940.17 = 127,987.62 : x
  2. Step 2: Convert to fraction form
    352,627.50/528,940.17 = 127,987.62/x
  3. Step 3: Cross multiply
    352,627.50x = 528,940.17 × 127,987.62
  4. Step 4: Simplify right side
    352,627.50x = 67,697,793,480.70
  5. Step 5: Solve for x
    x = 67,697,793,480.70/352,627.50
  6. Step 6: Final answer
    x = 191,981.04

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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.