Home / 252,070.32-347,841.20-138,893.84

Finding the Fourth Proportional to 252,070.32, 347,841.20 and 138,893.84

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Solution

The fourth proportional to 252,070.32, 347,841.20 and 138,893.84 is: 191,664.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,070.32 : 347,841.20 = 138,893.84 : x
  2. Step 2: Convert to fraction form
    252,070.32/347,841.20 = 138,893.84/x
  3. Step 3: Cross multiply
    252,070.32x = 347,841.20 × 138,893.84
  4. Step 4: Simplify right side
    252,070.32x = 48,312,999,978.21
  5. Step 5: Solve for x
    x = 48,312,999,978.21/252,070.32
  6. Step 6: Final answer
    x = 191,664.77

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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.