Home / 151,843.03-209,544.95-83,861.71

Finding the Fourth Proportional to 151,843.03, 209,544.95 and 83,861.71

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Solution

The fourth proportional to 151,843.03, 209,544.95 and 83,861.71 is: 115,730.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,843.03 : 209,544.95 = 83,861.71 : x
  2. Step 2: Convert to fraction form
    151,843.03/209,544.95 = 83,861.71/x
  3. Step 3: Cross multiply
    151,843.03x = 209,544.95 × 83,861.71
  4. Step 4: Simplify right side
    151,843.03x = 17,572,797,828.86
  5. Step 5: Solve for x
    x = 17,572,797,828.86/151,843.03
  6. Step 6: Final answer
    x = 115,730.03

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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.