Home / 243,961.87-336,820.20-156,782.34

Finding the Fourth Proportional to 243,961.87, 336,820.20 and 156,782.34

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Solution

The fourth proportional to 243,961.87, 336,820.20 and 156,782.34 is: 216,457.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,961.87 : 336,820.20 = 156,782.34 : x
  2. Step 2: Convert to fraction form
    243,961.87/336,820.20 = 156,782.34/x
  3. Step 3: Cross multiply
    243,961.87x = 336,820.20 × 156,782.34
  4. Step 4: Simplify right side
    243,961.87x = 52,807,459,115.27
  5. Step 5: Solve for x
    x = 52,807,459,115.27/243,961.87
  6. Step 6: Final answer
    x = 216,457.84

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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.