Home / 263,400.05-363,492.98-142,541.30

Finding the Fourth Proportional to 263,400.05, 363,492.98 and 142,541.30

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Solution

The fourth proportional to 263,400.05, 363,492.98 and 142,541.30 is: 196,707.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,400.05 : 363,492.98 = 142,541.30 : x
  2. Step 2: Convert to fraction form
    263,400.05/363,492.98 = 142,541.30/x
  3. Step 3: Cross multiply
    263,400.05x = 363,492.98 × 142,541.30
  4. Step 4: Simplify right side
    263,400.05x = 51,812,761,910.07
  5. Step 5: Solve for x
    x = 51,812,761,910.07/263,400.05
  6. Step 6: Final answer
    x = 196,707.49

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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.