Home / 223,737.26-308,771.19-128,258.30

Finding the Fourth Proportional to 223,737.26, 308,771.19 and 128,258.30

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Solution

The fourth proportional to 223,737.26, 308,771.19 and 128,258.30 is: 177,004.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,737.26 : 308,771.19 = 128,258.30 : x
  2. Step 2: Convert to fraction form
    223,737.26/308,771.19 = 128,258.30/x
  3. Step 3: Cross multiply
    223,737.26x = 308,771.19 × 128,258.30
  4. Step 4: Simplify right side
    223,737.26x = 39,602,468,690.31
  5. Step 5: Solve for x
    x = 39,602,468,690.31/223,737.26
  6. Step 6: Final answer
    x = 177,004.36

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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.