Home / 395,445.32-545,713.70-214,157.18

Finding the Fourth Proportional to 395,445.32, 545,713.70 and 214,157.18

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Solution

The fourth proportional to 395,445.32, 545,713.70 and 214,157.18 is: 295,536.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,445.32 : 545,713.70 = 214,157.18 : x
  2. Step 2: Convert to fraction form
    395,445.32/545,713.70 = 214,157.18/x
  3. Step 3: Cross multiply
    395,445.32x = 545,713.70 × 214,157.18
  4. Step 4: Simplify right side
    395,445.32x = 116,868,507,079.37
  5. Step 5: Solve for x
    x = 116,868,507,079.37/395,445.32
  6. Step 6: Final answer
    x = 295,536.45

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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.