Home / 222,256.31-306,715.61-126,767.84

Finding the Fourth Proportional to 222,256.31, 306,715.61 and 126,767.84

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Solution

The fourth proportional to 222,256.31, 306,715.61 and 126,767.84 is: 174,940.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,256.31 : 306,715.61 = 126,767.84 : x
  2. Step 2: Convert to fraction form
    222,256.31/306,715.61 = 126,767.84/x
  3. Step 3: Cross multiply
    222,256.31x = 306,715.61 × 126,767.84
  4. Step 4: Simplify right side
    222,256.31x = 38,881,674,157.32
  5. Step 5: Solve for x
    x = 38,881,674,157.32/222,256.31
  6. Step 6: Final answer
    x = 174,940.70

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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.