Home / 157,269.36-217,035.56-85,653.24

Finding the Fourth Proportional to 157,269.36, 217,035.56 and 85,653.24

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Solution

The fourth proportional to 157,269.36, 217,035.56 and 85,653.24 is: 118,203.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,269.36 : 217,035.56 = 85,653.24 : x
  2. Step 2: Convert to fraction form
    157,269.36/217,035.56 = 85,653.24/x
  3. Step 3: Cross multiply
    157,269.36x = 217,035.56 × 85,653.24
  4. Step 4: Simplify right side
    157,269.36x = 18,589,798,909.21
  5. Step 5: Solve for x
    x = 18,589,798,909.21/157,269.36
  6. Step 6: Final answer
    x = 118,203.56

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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.