Home / 214,990.02-296,819.01-138,536.10

Finding the Fourth Proportional to 214,990.02, 296,819.01 and 138,536.10

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Solution

The fourth proportional to 214,990.02, 296,819.01 and 138,536.10 is: 191,265.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,990.02 : 296,819.01 = 138,536.10 : x
  2. Step 2: Convert to fraction form
    214,990.02/296,819.01 = 138,536.10/x
  3. Step 3: Cross multiply
    214,990.02x = 296,819.01 × 138,536.10
  4. Step 4: Simplify right side
    214,990.02x = 41,120,148,051.26
  5. Step 5: Solve for x
    x = 41,120,148,051.26/214,990.02
  6. Step 6: Final answer
    x = 191,265.38

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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.