Home / 157,464.20-217,296.27-85,844.21

Finding the Fourth Proportional to 157,464.20, 217,296.27 and 85,844.21

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Solution

The fourth proportional to 157,464.20, 217,296.27 and 85,844.21 is: 118,462.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,464.20 : 217,296.27 = 85,844.21 : x
  2. Step 2: Convert to fraction form
    157,464.20/217,296.27 = 85,844.21/x
  3. Step 3: Cross multiply
    157,464.20x = 217,296.27 × 85,844.21
  4. Step 4: Simplify right side
    157,464.20x = 18,653,625,547.62
  5. Step 5: Solve for x
    x = 18,653,625,547.62/157,464.20
  6. Step 6: Final answer
    x = 118,462.65

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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.