Home / 214,270.08-295,686.72-129,356.16

Finding the Fourth Proportional to 214,270.08, 295,686.72 and 129,356.16

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Solution

The fourth proportional to 214,270.08, 295,686.72 and 129,356.16 is: 178,507.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,270.08 : 295,686.72 = 129,356.16 : x
  2. Step 2: Convert to fraction form
    214,270.08/295,686.72 = 129,356.16/x
  3. Step 3: Cross multiply
    214,270.08x = 295,686.72 × 129,356.16
  4. Step 4: Simplify right side
    214,270.08x = 38,248,898,662.20
  5. Step 5: Solve for x
    x = 38,248,898,662.20/214,270.08
  6. Step 6: Final answer
    x = 178,507.88

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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.