Home / 214,158.48-295,538.04-138,837.84

Finding the Fourth Proportional to 214,158.48, 295,538.04 and 138,837.84

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Solution

The fourth proportional to 214,158.48, 295,538.04 and 138,837.84 is: 191,595.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,158.48 : 295,538.04 = 138,837.84 : x
  2. Step 2: Convert to fraction form
    214,158.48/295,538.04 = 138,837.84/x
  3. Step 3: Cross multiply
    214,158.48x = 295,538.04 × 138,837.84
  4. Step 4: Simplify right side
    214,158.48x = 41,031,863,111.43
  5. Step 5: Solve for x
    x = 41,031,863,111.43/214,158.48
  6. Step 6: Final answer
    x = 191,595.79

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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.