Home / 223,824.24-308,906.97-128,312.46

Finding the Fourth Proportional to 223,824.24, 308,906.97 and 128,312.46

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Solution

The fourth proportional to 223,824.24, 308,906.97 and 128,312.46 is: 177,088.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,824.24 : 308,906.97 = 128,312.46 : x
  2. Step 2: Convert to fraction form
    223,824.24/308,906.97 = 128,312.46/x
  3. Step 3: Cross multiply
    223,824.24x = 308,906.97 × 128,312.46
  4. Step 4: Simplify right side
    223,824.24x = 39,636,613,231.85
  5. Step 5: Solve for x
    x = 39,636,613,231.85/223,824.24
  6. Step 6: Final answer
    x = 177,088.12

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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.