Home / 306,910.10-423,557.23-186,056.48

Finding the Fourth Proportional to 306,910.10, 423,557.23 and 186,056.48

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Solution

The fourth proportional to 306,910.10, 423,557.23 and 186,056.48 is: 256,770.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,910.10 : 423,557.23 = 186,056.48 : x
  2. Step 2: Convert to fraction form
    306,910.10/423,557.23 = 186,056.48/x
  3. Step 3: Cross multiply
    306,910.10x = 423,557.23 × 186,056.48
  4. Step 4: Simplify right side
    306,910.10x = 78,805,564,244.28
  5. Step 5: Solve for x
    x = 78,805,564,244.28/306,910.10
  6. Step 6: Final answer
    x = 256,770.84

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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.