Home / 166,752.18-230,319.99-121,358.16

Finding the Fourth Proportional to 166,752.18, 230,319.99 and 121,358.16

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Solution

The fourth proportional to 166,752.18, 230,319.99 and 121,358.16 is: 167,621.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,752.18 : 230,319.99 = 121,358.16 : x
  2. Step 2: Convert to fraction form
    166,752.18/230,319.99 = 121,358.16/x
  3. Step 3: Cross multiply
    166,752.18x = 230,319.99 × 121,358.16
  4. Step 4: Simplify right side
    166,752.18x = 27,951,210,197.62
  5. Step 5: Solve for x
    x = 27,951,210,197.62/166,752.18
  6. Step 6: Final answer
    x = 167,621.26

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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.